Finding the Fourth Proportional to 234,475.14, 351,761.90 and 76,691.28
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Solution
The fourth proportional to 234,475.14, 351,761.90 and 76,691.28 is: 115,053.01
Step by Step Solution
- Step 1: Write the proportion equation
234,475.14 : 351,761.90 = 76,691.28 : x - Step 2: Convert to fraction form
234,475.14/351,761.90 = 76,691.28/x - Step 3: Cross multiply
234,475.14x = 351,761.90 × 76,691.28 - Step 4: Simplify right side
234,475.14x = 26,977,070,366.23 - Step 5: Solve for x
x = 26,977,070,366.23/234,475.14 - Step 6: Final answer
x = 115,053.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.