Home / 422,236.36-582,664.50-231,212.80

Finding the Fourth Proportional to 422,236.36, 582,664.50 and 231,212.80

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Solution

The fourth proportional to 422,236.36, 582,664.50 and 231,212.80 is: 319,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,236.36 : 582,664.50 = 231,212.80 : x
  2. Step 2: Convert to fraction form
    422,236.36/582,664.50 = 231,212.80/x
  3. Step 3: Cross multiply
    422,236.36x = 582,664.50 × 231,212.80
  4. Step 4: Simplify right side
    422,236.36x = 134,719,490,505.60
  5. Step 5: Solve for x
    x = 134,719,490,505.60/422,236.36
  6. Step 6: Final answer
    x = 319,061.79

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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.