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Finding the Fourth Proportional to 247,294.80, 341,267.22 and 134,117.64

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Solution

The fourth proportional to 247,294.80, 341,267.22 and 134,117.64 is: 185,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,294.80 : 341,267.22 = 134,117.64 : x
  2. Step 2: Convert to fraction form
    247,294.80/341,267.22 = 134,117.64/x
  3. Step 3: Cross multiply
    247,294.80x = 341,267.22 × 134,117.64
  4. Step 4: Simplify right side
    247,294.80x = 45,769,954,155.76
  5. Step 5: Solve for x
    x = 45,769,954,155.76/247,294.80
  6. Step 6: Final answer
    x = 185,082.56

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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.