Home / 422,942.46-583,660.89-231,956.61

Finding the Fourth Proportional to 422,942.46, 583,660.89 and 231,956.61

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Solution

The fourth proportional to 422,942.46, 583,660.89 and 231,956.61 is: 320,100.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,942.46 : 583,660.89 = 231,956.61 : x
  2. Step 2: Convert to fraction form
    422,942.46/583,660.89 = 231,956.61/x
  3. Step 3: Cross multiply
    422,942.46x = 583,660.89 × 231,956.61
  4. Step 4: Simplify right side
    422,942.46x = 135,384,001,433.98
  5. Step 5: Solve for x
    x = 135,384,001,433.98/422,942.46
  6. Step 6: Final answer
    x = 320,100.28

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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.