Home / 361,869.12-499,380.72-200,739.12

Finding the Fourth Proportional to 361,869.12, 499,380.72 and 200,739.12

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Solution

The fourth proportional to 361,869.12, 499,380.72 and 200,739.12 is: 277,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,869.12 : 499,380.72 = 200,739.12 : x
  2. Step 2: Convert to fraction form
    361,869.12/499,380.72 = 200,739.12/x
  3. Step 3: Cross multiply
    361,869.12x = 499,380.72 × 200,739.12
  4. Step 4: Simplify right side
    361,869.12x = 100,245,246,277.77
  5. Step 5: Solve for x
    x = 100,245,246,277.77/361,869.12
  6. Step 6: Final answer
    x = 277,020.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.