Home / 256,885.05-354,572.68-149,475.90

Finding the Fourth Proportional to 256,885.05, 354,572.68 and 149,475.90

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Solution

The fourth proportional to 256,885.05, 354,572.68 and 149,475.90 is: 206,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,885.05 : 354,572.68 = 149,475.90 : x
  2. Step 2: Convert to fraction form
    256,885.05/354,572.68 = 149,475.90/x
  3. Step 3: Cross multiply
    256,885.05x = 354,572.68 × 149,475.90
  4. Step 4: Simplify right side
    256,885.05x = 53,000,070,458.41
  5. Step 5: Solve for x
    x = 53,000,070,458.41/256,885.05
  6. Step 6: Final answer
    x = 206,318.24

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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.