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Finding the Fourth Proportional to 332,726.92, 499,131.72 and 130,296.87

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Solution

The fourth proportional to 332,726.92, 499,131.72 and 130,296.87 is: 195,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,726.92 : 499,131.72 = 130,296.87 : x
  2. Step 2: Convert to fraction form
    332,726.92/499,131.72 = 130,296.87/x
  3. Step 3: Cross multiply
    332,726.92x = 499,131.72 × 130,296.87
  4. Step 4: Simplify right side
    332,726.92x = 65,035,300,833.72
  5. Step 5: Solve for x
    x = 65,035,300,833.72/332,726.92
  6. Step 6: Final answer
    x = 195,461.50

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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.