Home / 300,811.20-451,338.30-132,363.60

Finding the Fourth Proportional to 300,811.20, 451,338.30 and 132,363.60

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Solution

The fourth proportional to 300,811.20, 451,338.30 and 132,363.60 is: 198,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,811.20 : 451,338.30 = 132,363.60 : x
  2. Step 2: Convert to fraction form
    300,811.20/451,338.30 = 132,363.60/x
  3. Step 3: Cross multiply
    300,811.20x = 451,338.30 × 132,363.60
  4. Step 4: Simplify right side
    300,811.20x = 59,740,762,205.88
  5. Step 5: Solve for x
    x = 59,740,762,205.88/300,811.20
  6. Step 6: Final answer
    x = 198,598.86

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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.