Home / 422,541.52-583,121.48-231,553.24

Finding the Fourth Proportional to 422,541.52, 583,121.48 and 231,553.24

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Solution

The fourth proportional to 422,541.52, 583,121.48 and 231,553.24 is: 319,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,541.52 : 583,121.48 = 231,553.24 : x
  2. Step 2: Convert to fraction form
    422,541.52/583,121.48 = 231,553.24/x
  3. Step 3: Cross multiply
    422,541.52x = 583,121.48 × 231,553.24
  4. Step 4: Simplify right side
    422,541.52x = 135,023,668,007.60
  5. Step 5: Solve for x
    x = 135,023,668,007.60/422,541.52
  6. Step 6: Final answer
    x = 319,551.24

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1.5x scale

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.