Finding the Fourth Proportional to 252,732.88, 378,972.54 and 84,193.95
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Solution
The fourth proportional to 252,732.88, 378,972.54 and 84,193.95 is: 126,248.69
Step by Step Solution
- Step 1: Write the proportion equation
252,732.88 : 378,972.54 = 84,193.95 : x - Step 2: Convert to fraction form
252,732.88/378,972.54 = 84,193.95/x - Step 3: Cross multiply
252,732.88x = 378,972.54 × 84,193.95 - Step 4: Simplify right side
252,732.88x = 31,907,195,084.13 - Step 5: Solve for x
x = 31,907,195,084.13/252,732.88 - Step 6: Final answer
x = 126,248.69
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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.