Home / 422,022.72-582,391.37-231,036.11

Finding the Fourth Proportional to 422,022.72, 582,391.37 and 231,036.11

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Solution

The fourth proportional to 422,022.72, 582,391.37 and 231,036.11 is: 318,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,022.72 : 582,391.37 = 231,036.11 : x
  2. Step 2: Convert to fraction form
    422,022.72/582,391.37 = 231,036.11/x
  3. Step 3: Cross multiply
    422,022.72x = 582,391.37 × 231,036.11
  4. Step 4: Simplify right side
    422,022.72x = 134,553,433,534.42
  5. Step 5: Solve for x
    x = 134,553,433,534.42/422,022.72
  6. Step 6: Final answer
    x = 318,829.84

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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.