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Finding the Fourth Proportional to 332,915.28, 499,397.22 and 96,259.20

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Solution

The fourth proportional to 332,915.28, 499,397.22 and 96,259.20 is: 144,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,915.28 : 499,397.22 = 96,259.20 : x
  2. Step 2: Convert to fraction form
    332,915.28/499,397.22 = 96,259.20/x
  3. Step 3: Cross multiply
    332,915.28x = 499,397.22 × 96,259.20
  4. Step 4: Simplify right side
    332,915.28x = 48,071,576,879.42
  5. Step 5: Solve for x
    x = 48,071,576,879.42/332,915.28
  6. Step 6: Final answer
    x = 144,395.83

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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.