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Finding the Fourth Proportional to 247,370.38, 341,371.78 and 134,193.13

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Solution

The fourth proportional to 247,370.38, 341,371.78 and 134,193.13 is: 185,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,370.38 : 341,371.78 = 134,193.13 : x
  2. Step 2: Convert to fraction form
    247,370.38/341,371.78 = 134,193.13/x
  3. Step 3: Cross multiply
    247,370.38x = 341,371.78 × 134,193.13
  4. Step 4: Simplify right side
    247,370.38x = 45,809,746,462.96
  5. Step 5: Solve for x
    x = 45,809,746,462.96/247,370.38
  6. Step 6: Final answer
    x = 185,186.87

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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.