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Finding the Fourth Proportional to 366,229.88, 549,348.24 and 129,612.68

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Solution

The fourth proportional to 366,229.88, 549,348.24 and 129,612.68 is: 194,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,229.88 : 549,348.24 = 129,612.68 : x
  2. Step 2: Convert to fraction form
    366,229.88/549,348.24 = 129,612.68/x
  3. Step 3: Cross multiply
    366,229.88x = 549,348.24 × 129,612.68
  4. Step 4: Simplify right side
    366,229.88x = 71,202,497,639.68
  5. Step 5: Solve for x
    x = 71,202,497,639.68/366,229.88
  6. Step 6: Final answer
    x = 194,420.23

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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.