Finding the Fourth Proportional to 347,854.60, 521,177.10 and 160,481.80
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Solution
The fourth proportional to 347,854.60, 521,177.10 and 160,481.80 is: 240,443.68
Step by Step Solution
- Step 1: Write the proportion equation
347,854.60 : 521,177.10 = 160,481.80 : x - Step 2: Convert to fraction form
347,854.60/521,177.10 = 160,481.80/x - Step 3: Cross multiply
347,854.60x = 521,177.10 × 160,481.80 - Step 4: Simplify right side
347,854.60x = 83,639,439,126.78 - Step 5: Solve for x
x = 83,639,439,126.78/347,854.60 - Step 6: Final answer
x = 240,443.68
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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.