Finding the Fourth Proportional to 252,397.95, 378,514.97 and 83,872.99
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Solution
The fourth proportional to 252,397.95, 378,514.97 and 83,872.99 is: 125,782.25
Step by Step Solution
- Step 1: Write the proportion equation
252,397.95 : 378,514.97 = 83,872.99 : x - Step 2: Convert to fraction form
252,397.95/378,514.97 = 83,872.99/x - Step 3: Cross multiply
252,397.95x = 378,514.97 × 83,872.99 - Step 4: Simplify right side
252,397.95x = 31,747,182,293.66 - Step 5: Solve for x
x = 31,747,182,293.66/252,397.95 - Step 6: Final answer
x = 125,782.25
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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.