Finding the Fourth Proportional to 261,251.73, 391,680.16 and 134,837.06
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Solution
The fourth proportional to 261,251.73, 391,680.16 and 134,837.06 is: 202,153.68
Step by Step Solution
- Step 1: Write the proportion equation
261,251.73 : 391,680.16 = 134,837.06 : x - Step 2: Convert to fraction form
261,251.73/391,680.16 = 134,837.06/x - Step 3: Cross multiply
261,251.73x = 391,680.16 × 134,837.06 - Step 4: Simplify right side
261,251.73x = 52,812,998,939.24 - Step 5: Solve for x
x = 52,812,998,939.24/261,251.73 - Step 6: Final answer
x = 202,153.68
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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.