Finding the Fourth Proportional to 543,691.13, 750,272.99 and 301,989.20
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Solution
The fourth proportional to 543,691.13, 750,272.99 and 301,989.20 is: 416,733.55
Step by Step Solution
- Step 1: Write the proportion equation
543,691.13 : 750,272.99 = 301,989.20 : x - Step 2: Convert to fraction form
543,691.13/750,272.99 = 301,989.20/x - Step 3: Cross multiply
543,691.13x = 750,272.99 × 301,989.20 - Step 4: Simplify right side
543,691.13x = 226,574,334,770.40 - Step 5: Solve for x
x = 226,574,334,770.40/543,691.13 - Step 6: Final answer
x = 416,733.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.