C2adverbformalacademicmoney
US/prəˈpɔːr.ʃən.əl.i/
UK/prəˈpɔː.ʃən.əl.i/
in a way that keeps the same relationship in size or amount to something else
In context
Taxes rise proportionally with income, so wealthier people pay a larger sum.
The company grew quickly, but costs did not increase proportionally.
Seats in parliament are allocated proportionally to the number of votes each party wins.
Words that go with proportionally
verb + adverb
- increase proportionallyPrices should increase proportionally with the cost of materials.
- decrease proportionallyYour risk decreases proportionally as you exercise more.
- grow proportionallyProfits grew proportionally to the number of customers.
- divided proportionallyThe money was divided proportionally among the heirs.
- share proportionallyCosts are shared proportionally between the two partners.
adverb + adjective
- proportionally largerHer office is proportionally larger than the others.
Common mistakes
Incorrect:
Salaries increase proportional with experience.Correct: Salaries increase proportionally with experience.