Finding the Fourth Proportional to 437,929.94, 656,929.50 and 138,433.34
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Solution
The fourth proportional to 437,929.94, 656,929.50 and 138,433.34 is: 207,660.94
Step by Step Solution
- Step 1: Write the proportion equation
437,929.94 : 656,929.50 = 138,433.34 : x - Step 2: Convert to fraction form
437,929.94/656,929.50 = 138,433.34/x - Step 3: Cross multiply
437,929.94x = 656,929.50 × 138,433.34 - Step 4: Simplify right side
437,929.94x = 90,940,944,829.53 - Step 5: Solve for x
x = 90,940,944,829.53/437,929.94 - Step 6: Final answer
x = 207,660.94
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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.