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Finding the Fourth Proportional to 250,337.40, 375,614.10 and 145,246.20

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Solution

The fourth proportional to 250,337.40, 375,614.10 and 145,246.20 is: 217,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,337.40 : 375,614.10 = 145,246.20 : x
  2. Step 2: Convert to fraction form
    250,337.40/375,614.10 = 145,246.20/x
  3. Step 3: Cross multiply
    250,337.40x = 375,614.10 × 145,246.20
  4. Step 4: Simplify right side
    250,337.40x = 54,556,520,691.42
  5. Step 5: Solve for x
    x = 54,556,520,691.42/250,337.40
  6. Step 6: Final answer
    x = 217,931.96

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1.5x scale

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.