Home / 215,998.20-323,997.30-200,251.80

Finding the Fourth Proportional to 215,998.20, 323,997.30 and 200,251.80

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Solution

The fourth proportional to 215,998.20, 323,997.30 and 200,251.80 is: 300,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,998.20 : 323,997.30 = 200,251.80 : x
  2. Step 2: Convert to fraction form
    215,998.20/323,997.30 = 200,251.80/x
  3. Step 3: Cross multiply
    215,998.20x = 323,997.30 × 200,251.80
  4. Step 4: Simplify right side
    215,998.20x = 64,881,042,520.14
  5. Step 5: Solve for x
    x = 64,881,042,520.14/215,998.20
  6. Step 6: Final answer
    x = 300,377.70

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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.