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Finding the Fourth Proportional to 247,376.79, 341,380.61 and 134,199.54

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Solution

The fourth proportional to 247,376.79, 341,380.61 and 134,199.54 is: 185,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,376.79 : 341,380.61 = 134,199.54 : x
  2. Step 2: Convert to fraction form
    247,376.79/341,380.61 = 134,199.54/x
  3. Step 3: Cross multiply
    247,376.79x = 341,380.61 × 134,199.54
  4. Step 4: Simplify right side
    247,376.79x = 45,813,120,826.92
  5. Step 5: Solve for x
    x = 45,813,120,826.92/247,376.79
  6. Step 6: Final answer
    x = 185,195.71

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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.