Finding the Fourth Proportional to 437,889.38, 656,830.14 and 138,370.01
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Solution
The fourth proportional to 437,889.38, 656,830.14 and 138,370.01 is: 207,553.77
Step by Step Solution
- Step 1: Write the proportion equation
437,889.38 : 656,830.14 = 138,370.01 : x - Step 2: Convert to fraction form
437,889.38/656,830.14 = 138,370.01/x - Step 3: Cross multiply
437,889.38x = 656,830.14 × 138,370.01 - Step 4: Simplify right side
437,889.38x = 90,885,592,397.23 - Step 5: Solve for x
x = 90,885,592,397.23/437,889.38 - Step 6: Final answer
x = 207,553.77
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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.