Home / 422,164.20-582,569.10-231,174.30

Finding the Fourth Proportional to 422,164.20, 582,569.10 and 231,174.30

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Solution

The fourth proportional to 422,164.20, 582,569.10 and 231,174.30 is: 319,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,164.20 : 582,569.10 = 231,174.30 : x
  2. Step 2: Convert to fraction form
    422,164.20/582,569.10 = 231,174.30/x
  3. Step 3: Cross multiply
    422,164.20x = 582,569.10 × 231,174.30
  4. Step 4: Simplify right side
    422,164.20x = 134,675,003,894.13
  5. Step 5: Solve for x
    x = 134,675,003,894.13/422,164.20
  6. Step 6: Final answer
    x = 319,010.95

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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.