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Finding the Fourth Proportional to 270,375.60, 373,142.52 and 149,545.20

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Solution

The fourth proportional to 270,375.60, 373,142.52 and 149,545.20 is: 206,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,375.60 : 373,142.52 = 149,545.20 : x
  2. Step 2: Convert to fraction form
    270,375.60/373,142.52 = 149,545.20/x
  3. Step 3: Cross multiply
    270,375.60x = 373,142.52 × 149,545.20
  4. Step 4: Simplify right side
    270,375.60x = 55,801,672,781.90
  5. Step 5: Solve for x
    x = 55,801,672,781.90/270,375.60
  6. Step 6: Final answer
    x = 206,385.76

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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.