Home / 422,669.24-583,305.90-231,690.68

Finding the Fourth Proportional to 422,669.24, 583,305.90 and 231,690.68

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Solution

The fourth proportional to 422,669.24, 583,305.90 and 231,690.68 is: 319,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,669.24 : 583,305.90 = 231,690.68 : x
  2. Step 2: Convert to fraction form
    422,669.24/583,305.90 = 231,690.68/x
  3. Step 3: Cross multiply
    422,669.24x = 583,305.90 × 231,690.68
  4. Step 4: Simplify right side
    422,669.24x = 135,146,540,619.01
  5. Step 5: Solve for x
    x = 135,146,540,619.01/422,669.24
  6. Step 6: Final answer
    x = 319,745.39

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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.