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Finding the Fourth Proportional to 508,548.70, 762,337.05 and 188,614.90

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Solution

The fourth proportional to 508,548.70, 762,337.05 and 188,614.90 is: 282,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,548.70 : 762,337.05 = 188,614.90 : x
  2. Step 2: Convert to fraction form
    508,548.70/762,337.05 = 188,614.90/x
  3. Step 3: Cross multiply
    508,548.70x = 762,337.05 × 188,614.90
  4. Step 4: Simplify right side
    508,548.70x = 143,788,126,452.05
  5. Step 5: Solve for x
    x = 143,788,126,452.05/508,548.70
  6. Step 6: Final answer
    x = 282,742.10

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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.