Home / 422,764.82-583,399.97-231,774.02

Finding the Fourth Proportional to 422,764.82, 583,399.97 and 231,774.02

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Solution

The fourth proportional to 422,764.82, 583,399.97 and 231,774.02 is: 319,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,764.82 : 583,399.97 = 231,774.02 : x
  2. Step 2: Convert to fraction form
    422,764.82/583,399.97 = 231,774.02/x
  3. Step 3: Cross multiply
    422,764.82x = 583,399.97 × 231,774.02
  4. Step 4: Simplify right side
    422,764.82x = 135,216,956,314.78
  5. Step 5: Solve for x
    x = 135,216,956,314.78/422,764.82
  6. Step 6: Final answer
    x = 319,839.66

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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.