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Finding the Fourth Proportional to 332,892.28, 499,464.12 and 199,865.28

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Solution

The fourth proportional to 332,892.28, 499,464.12 and 199,865.28 is: 299,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,892.28 : 499,464.12 = 199,865.28 : x
  2. Step 2: Convert to fraction form
    332,892.28/499,464.12 = 199,865.28/x
  3. Step 3: Cross multiply
    332,892.28x = 499,464.12 × 199,865.28
  4. Step 4: Simplify right side
    332,892.28x = 99,825,536,193.75
  5. Step 5: Solve for x
    x = 99,825,536,193.75/332,892.28
  6. Step 6: Final answer
    x = 299,873.39

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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.