Home / 451,627.53-677,375.35-131,693.43

Finding the Fourth Proportional to 451,627.53, 677,375.35 and 131,693.43

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Solution

The fourth proportional to 451,627.53, 677,375.35 and 131,693.43 is: 197,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,627.53 : 677,375.35 = 131,693.43 : x
  2. Step 2: Convert to fraction form
    451,627.53/677,375.35 = 131,693.43/x
  3. Step 3: Cross multiply
    451,627.53x = 677,375.35 × 131,693.43
  4. Step 4: Simplify right side
    451,627.53x = 89,205,882,556.85
  5. Step 5: Solve for x
    x = 89,205,882,556.85/451,627.53
  6. Step 6: Final answer
    x = 197,520.91

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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.