Home / 422,260.68-582,719.94-231,286.20

Finding the Fourth Proportional to 422,260.68, 582,719.94 and 231,286.20

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Solution

The fourth proportional to 422,260.68, 582,719.94 and 231,286.20 is: 319,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,260.68 : 582,719.94 = 231,286.20 : x
  2. Step 2: Convert to fraction form
    422,260.68/582,719.94 = 231,286.20/x
  3. Step 3: Cross multiply
    422,260.68x = 582,719.94 × 231,286.20
  4. Step 4: Simplify right side
    422,260.68x = 134,775,080,586.83
  5. Step 5: Solve for x
    x = 134,775,080,586.83/422,260.68
  6. Step 6: Final answer
    x = 319,175.07

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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.