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Finding the Fourth Proportional to 247,463.68, 341,496.32 and 145,500.88

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Solution

The fourth proportional to 247,463.68, 341,496.32 and 145,500.88 is: 200,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,463.68 : 341,496.32 = 145,500.88 : x
  2. Step 2: Convert to fraction form
    247,463.68/341,496.32 = 145,500.88/x
  3. Step 3: Cross multiply
    247,463.68x = 341,496.32 × 145,500.88
  4. Step 4: Simplify right side
    247,463.68x = 49,688,015,076.76
  5. Step 5: Solve for x
    x = 49,688,015,076.76/247,463.68
  6. Step 6: Final answer
    x = 200,789.12

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1.5x scale

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.