Finding the Fourth Proportional to 171,115.92, 256,717.62 and 71,242.92
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Solution
The fourth proportional to 171,115.92, 256,717.62 and 71,242.92 is: 106,882.59
Step by Step Solution
- Step 1: Write the proportion equation
171,115.92 : 256,717.62 = 71,242.92 : x - Step 2: Convert to fraction form
171,115.92/256,717.62 = 71,242.92/x - Step 3: Cross multiply
171,115.92x = 256,717.62 × 71,242.92 - Step 4: Simplify right side
171,115.92x = 18,289,312,864.25 - Step 5: Solve for x
x = 18,289,312,864.25/171,115.92 - Step 6: Final answer
x = 106,882.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.