Home / 215,082.20-322,666.37-120,446.97

Finding the Fourth Proportional to 215,082.20, 322,666.37 and 120,446.97

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Solution

The fourth proportional to 215,082.20, 322,666.37 and 120,446.97 is: 180,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,082.20 : 322,666.37 = 120,446.97 : x
  2. Step 2: Convert to fraction form
    215,082.20/322,666.37 = 120,446.97/x
  3. Step 3: Cross multiply
    215,082.20x = 322,666.37 × 120,446.97
  4. Step 4: Simplify right side
    215,082.20x = 38,864,184,371.83
  5. Step 5: Solve for x
    x = 38,864,184,371.83/215,082.20
  6. Step 6: Final answer
    x = 180,694.56

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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.