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Finding the Fourth Proportional to 499,635.20, 749,234.10 and 200,016.20

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Solution

The fourth proportional to 499,635.20, 749,234.10 and 200,016.20 is: 299,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,635.20 : 749,234.10 = 200,016.20 : x
  2. Step 2: Convert to fraction form
    499,635.20/749,234.10 = 200,016.20/x
  3. Step 3: Cross multiply
    499,635.20x = 749,234.10 × 200,016.20
  4. Step 4: Simplify right side
    499,635.20x = 149,858,957,592.42
  5. Step 5: Solve for x
    x = 149,858,957,592.42/499,635.20
  6. Step 6: Final answer
    x = 299,936.75

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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.