Finding the Fourth Proportional to 488,645.17, 731,969.93 and 251,489.63
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Solution
The fourth proportional to 488,645.17, 731,969.93 and 251,489.63 is: 376,720.89
Step by Step Solution
- Step 1: Write the proportion equation
488,645.17 : 731,969.93 = 251,489.63 : x - Step 2: Convert to fraction form
488,645.17/731,969.93 = 251,489.63/x - Step 3: Cross multiply
488,645.17x = 731,969.93 × 251,489.63 - Step 4: Simplify right side
488,645.17x = 184,082,845,208.14 - Step 5: Solve for x
x = 184,082,845,208.14/488,645.17 - Step 6: Final answer
x = 376,720.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.