Home / 300,815.20-451,344.30-132,367.60

Finding the Fourth Proportional to 300,815.20, 451,344.30 and 132,367.60

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Solution

The fourth proportional to 300,815.20, 451,344.30 and 132,367.60 is: 198,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,815.20 : 451,344.30 = 132,367.60 : x
  2. Step 2: Convert to fraction form
    300,815.20/451,344.30 = 132,367.60/x
  3. Step 3: Cross multiply
    300,815.20x = 451,344.30 × 132,367.60
  4. Step 4: Simplify right side
    300,815.20x = 59,743,361,764.68
  5. Step 5: Solve for x
    x = 59,743,361,764.68/300,815.20
  6. Step 6: Final answer
    x = 198,604.86

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1.5x scale

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.