Home / 422,669.43-583,306.16-231,690.87

Finding the Fourth Proportional to 422,669.43, 583,306.16 and 231,690.87

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Solution

The fourth proportional to 422,669.43, 583,306.16 and 231,690.87 is: 319,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,669.43 : 583,306.16 = 231,690.87 : x
  2. Step 2: Convert to fraction form
    422,669.43/583,306.16 = 231,690.87/x
  3. Step 3: Cross multiply
    422,669.43x = 583,306.16 × 231,690.87
  4. Step 4: Simplify right side
    422,669.43x = 135,146,711,686.76
  5. Step 5: Solve for x
    x = 135,146,711,686.76/422,669.43
  6. Step 6: Final answer
    x = 319,745.65

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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.