Finding the Fourth Proportional to 173,689.70, 239,691.78 and 94,201.70
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Solution
The fourth proportional to 173,689.70, 239,691.78 and 94,201.70 is: 129,998.34
Step by Step Solution
- Step 1: Write the proportion equation
173,689.70 : 239,691.78 = 94,201.70 : x - Step 2: Convert to fraction form
173,689.70/239,691.78 = 94,201.70/x - Step 3: Cross multiply
173,689.70x = 239,691.78 × 94,201.70 - Step 4: Simplify right side
173,689.70x = 22,579,371,953.57 - Step 5: Solve for x
x = 22,579,371,953.57/173,689.70 - Step 6: Final answer
x = 129,998.34
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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.