Home / 422,276.68-582,742.02-231,302.20

Finding the Fourth Proportional to 422,276.68, 582,742.02 and 231,302.20

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Solution

The fourth proportional to 422,276.68, 582,742.02 and 231,302.20 is: 319,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,276.68 : 582,742.02 = 231,302.20 : x
  2. Step 2: Convert to fraction form
    422,276.68/582,742.02 = 231,302.20/x
  3. Step 3: Cross multiply
    422,276.68x = 582,742.02 × 231,302.20
  4. Step 4: Simplify right side
    422,276.68x = 134,789,511,258.44
  5. Step 5: Solve for x
    x = 134,789,511,258.44/422,276.68
  6. Step 6: Final answer
    x = 319,197.15

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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.