Finding the Fourth Proportional to 173,257.11, 239,098.74 and 101,688.75
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Solution
The fourth proportional to 173,257.11, 239,098.74 and 101,688.75 is: 140,332.78
Step by Step Solution
- Step 1: Write the proportion equation
173,257.11 : 239,098.74 = 101,688.75 : x - Step 2: Convert to fraction form
173,257.11/239,098.74 = 101,688.75/x - Step 3: Cross multiply
173,257.11x = 239,098.74 × 101,688.75 - Step 4: Simplify right side
173,257.11x = 24,313,651,997.18 - Step 5: Solve for x
x = 24,313,651,997.18/173,257.11 - Step 6: Final answer
x = 140,332.78
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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.