Finding the Fourth Proportional to 177,605.28, 266,407.92 and 72,432.48
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Solution
The fourth proportional to 177,605.28, 266,407.92 and 72,432.48 is: 108,648.72
Step by Step Solution
- Step 1: Write the proportion equation
177,605.28 : 266,407.92 = 72,432.48 : x - Step 2: Convert to fraction form
177,605.28/266,407.92 = 72,432.48/x - Step 3: Cross multiply
177,605.28x = 266,407.92 × 72,432.48 - Step 4: Simplify right side
177,605.28x = 19,296,586,337.24 - Step 5: Solve for x
x = 19,296,586,337.24/177,605.28 - Step 6: Final answer
x = 108,648.72
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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.