Home / 447,943.20-672,037.20-132,399.84

Finding the Fourth Proportional to 447,943.20, 672,037.20 and 132,399.84

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Solution

The fourth proportional to 447,943.20, 672,037.20 and 132,399.84 is: 198,635.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,943.20 : 672,037.20 = 132,399.84 : x
  2. Step 2: Convert to fraction form
    447,943.20/672,037.20 = 132,399.84/x
  3. Step 3: Cross multiply
    447,943.20x = 672,037.20 × 132,399.84
  4. Step 4: Simplify right side
    447,943.20x = 88,977,617,754.05
  5. Step 5: Solve for x
    x = 88,977,617,754.05/447,943.20
  6. Step 6: Final answer
    x = 198,635.94

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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.