Finding the Fourth Proportional to 437,636.97, 656,454.02 and 142,148.97
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Solution
The fourth proportional to 437,636.97, 656,454.02 and 142,148.97 is: 213,222.99
Step by Step Solution
- Step 1: Write the proportion equation
437,636.97 : 656,454.02 = 142,148.97 : x - Step 2: Convert to fraction form
437,636.97/656,454.02 = 142,148.97/x - Step 3: Cross multiply
437,636.97x = 656,454.02 × 142,148.97 - Step 4: Simplify right side
437,636.97x = 93,314,262,084.61 - Step 5: Solve for x
x = 93,314,262,084.61/437,636.97 - Step 6: Final answer
x = 213,222.99
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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.