Home / 257,512.38-386,251.65-88,993.50

Finding the Fourth Proportional to 257,512.38, 386,251.65 and 88,993.50

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Solution

The fourth proportional to 257,512.38, 386,251.65 and 88,993.50 is: 133,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,512.38 : 386,251.65 = 88,993.50 : x
  2. Step 2: Convert to fraction form
    257,512.38/386,251.65 = 88,993.50/x
  3. Step 3: Cross multiply
    257,512.38x = 386,251.65 × 88,993.50
  4. Step 4: Simplify right side
    257,512.38x = 34,373,886,214.28
  5. Step 5: Solve for x
    x = 34,373,886,214.28/257,512.38
  6. Step 6: Final answer
    x = 133,484.40

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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.