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Finding the Fourth Proportional to 332,687.78, 499,174.68 and 108,117.05

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Solution

The fourth proportional to 332,687.78, 499,174.68 and 108,117.05 is: 162,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,687.78 : 499,174.68 = 108,117.05 : x
  2. Step 2: Convert to fraction form
    332,687.78/499,174.68 = 108,117.05/x
  3. Step 3: Cross multiply
    332,687.78x = 499,174.68 × 108,117.05
  4. Step 4: Simplify right side
    332,687.78x = 53,969,293,836.29
  5. Step 5: Solve for x
    x = 53,969,293,836.29/332,687.78
  6. Step 6: Final answer
    x = 162,222.05

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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.