Home / 366,229.75-549,348.05-129,612.55

Finding the Fourth Proportional to 366,229.75, 549,348.05 and 129,612.55

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Solution

The fourth proportional to 366,229.75, 549,348.05 and 129,612.55 is: 194,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,229.75 : 549,348.05 = 129,612.55 : x
  2. Step 2: Convert to fraction form
    366,229.75/549,348.05 = 129,612.55/x
  3. Step 3: Cross multiply
    366,229.75x = 549,348.05 × 129,612.55
  4. Step 4: Simplify right side
    366,229.75x = 71,202,401,598.03
  5. Step 5: Solve for x
    x = 71,202,401,598.03/366,229.75
  6. Step 6: Final answer
    x = 194,420.04

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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.