Finding the Fourth Proportional to 219,691.12, 303,161.97 and 124,192.12
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Solution
The fourth proportional to 219,691.12, 303,161.97 and 124,192.12 is: 171,378.47
Step by Step Solution
- Step 1: Write the proportion equation
219,691.12 : 303,161.97 = 124,192.12 : x - Step 2: Convert to fraction form
219,691.12/303,161.97 = 124,192.12/x - Step 3: Cross multiply
219,691.12x = 303,161.97 × 124,192.12 - Step 4: Simplify right side
219,691.12x = 37,650,327,757.68 - Step 5: Solve for x
x = 37,650,327,757.68/219,691.12 - Step 6: Final answer
x = 171,378.47
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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.