Home / 494,633.80-741,972.30-162,209.80

Finding the Fourth Proportional to 494,633.80, 741,972.30 and 162,209.80

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Solution

The fourth proportional to 494,633.80, 741,972.30 and 162,209.80 is: 243,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,633.80 : 741,972.30 = 162,209.80 : x
  2. Step 2: Convert to fraction form
    494,633.80/741,972.30 = 162,209.80/x
  3. Step 3: Cross multiply
    494,633.80x = 741,972.30 × 162,209.80
  4. Step 4: Simplify right side
    494,633.80x = 120,355,178,388.54
  5. Step 5: Solve for x
    x = 120,355,178,388.54/494,633.80
  6. Step 6: Final answer
    x = 243,321.78

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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.