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Finding the Fourth Proportional to 332,882.70, 499,032.45 and 199,815.90

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Solution

The fourth proportional to 332,882.70, 499,032.45 and 199,815.90 is: 299,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,882.70 : 499,032.45 = 199,815.90 : x
  2. Step 2: Convert to fraction form
    332,882.70/499,032.45 = 199,815.90/x
  3. Step 3: Cross multiply
    332,882.70x = 499,032.45 × 199,815.90
  4. Step 4: Simplify right side
    332,882.70x = 99,714,618,125.96
  5. Step 5: Solve for x
    x = 99,714,618,125.96/332,882.70
  6. Step 6: Final answer
    x = 299,548.81

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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.