Finding the Fourth Proportional to 173,857.92, 239,838.84 and 113,400.96
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Solution
The fourth proportional to 173,857.92, 239,838.84 and 113,400.96 is: 156,437.82
Step by Step Solution
- Step 1: Write the proportion equation
173,857.92 : 239,838.84 = 113,400.96 : x - Step 2: Convert to fraction form
173,857.92/239,838.84 = 113,400.96/x - Step 3: Cross multiply
173,857.92x = 239,838.84 × 113,400.96 - Step 4: Simplify right side
173,857.92x = 27,197,954,701.29 - Step 5: Solve for x
x = 27,197,954,701.29/173,857.92 - Step 6: Final answer
x = 156,437.82
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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.