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Finding the Fourth Proportional to 247,888, 371,765.52 and 107,613.28

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Solution

The fourth proportional to 247,888, 371,765.52 and 107,613.28 is: 161,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,888 : 371,765.52 = 107,613.28 : x
  2. Step 2: Convert to fraction form
    247,888/371,765.52 = 107,613.28/x
  3. Step 3: Cross multiply
    247,888x = 371,765.52 × 107,613.28
  4. Step 4: Simplify right side
    247,888x = 40,006,906,998.11
  5. Step 5: Solve for x
    x = 40,006,906,998.11/247,888
  6. Step 6: Final answer
    x = 161,391.06

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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.