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Finding the Fourth Proportional to 332,697.70, 499,046.55 and 133,048.90

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Solution

The fourth proportional to 332,697.70, 499,046.55 and 133,048.90 is: 199,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,697.70 : 499,046.55 = 133,048.90 : x
  2. Step 2: Convert to fraction form
    332,697.70/499,046.55 = 133,048.90/x
  3. Step 3: Cross multiply
    332,697.70x = 499,046.55 × 133,048.90
  4. Step 4: Simplify right side
    332,697.70x = 66,397,594,526.30
  5. Step 5: Solve for x
    x = 66,397,594,526.30/332,697.70
  6. Step 6: Final answer
    x = 199,573.35

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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.