Home / 422,023.12-582,405.02-231,054.28

Finding the Fourth Proportional to 422,023.12, 582,405.02 and 231,054.28

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Solution

The fourth proportional to 422,023.12, 582,405.02 and 231,054.28 is: 318,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,023.12 : 582,405.02 = 231,054.28 : x
  2. Step 2: Convert to fraction form
    422,023.12/582,405.02 = 231,054.28/x
  3. Step 3: Cross multiply
    422,023.12x = 582,405.02 × 231,054.28
  4. Step 4: Simplify right side
    422,023.12x = 134,567,172,564.49
  5. Step 5: Solve for x
    x = 134,567,172,564.49/422,023.12
  6. Step 6: Final answer
    x = 318,862.09

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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.