Finding the Fourth Proportional to 437,423.36, 656,129.28 and 121,881.92
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Solution
The fourth proportional to 437,423.36, 656,129.28 and 121,881.92 is: 182,821.28
Step by Step Solution
- Step 1: Write the proportion equation
437,423.36 : 656,129.28 = 121,881.92 : x - Step 2: Convert to fraction form
437,423.36/656,129.28 = 121,881.92/x - Step 3: Cross multiply
437,423.36x = 656,129.28 × 121,881.92 - Step 4: Simplify right side
437,423.36x = 79,970,296,414.62 - Step 5: Solve for x
x = 79,970,296,414.62/437,423.36 - Step 6: Final answer
x = 182,821.28
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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.