Home / 422,580.10-583,157.19-231,593.04

Finding the Fourth Proportional to 422,580.10, 583,157.19 and 231,593.04

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Solution

The fourth proportional to 422,580.10, 583,157.19 and 231,593.04 is: 319,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,580.10 : 583,157.19 = 231,593.04 : x
  2. Step 2: Convert to fraction form
    422,580.10/583,157.19 = 231,593.04/x
  3. Step 3: Cross multiply
    422,580.10x = 583,157.19 × 231,593.04
  4. Step 4: Simplify right side
    422,580.10x = 135,055,143,514.17
  5. Step 5: Solve for x
    x = 135,055,143,514.17/422,580.10
  6. Step 6: Final answer
    x = 319,596.55

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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.