Finding the Fourth Proportional to 177,135.12, 244,514.70 and 129,764.70
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Solution
The fourth proportional to 177,135.12, 244,514.70 and 129,764.70 is: 179,125.27
Step by Step Solution
- Step 1: Write the proportion equation
177,135.12 : 244,514.70 = 129,764.70 : x - Step 2: Convert to fraction form
177,135.12/244,514.70 = 129,764.70/x - Step 3: Cross multiply
177,135.12x = 244,514.70 × 129,764.70 - Step 4: Simplify right side
177,135.12x = 31,729,376,691.09 - Step 5: Solve for x
x = 31,729,376,691.09/177,135.12 - Step 6: Final answer
x = 179,125.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.