Home / 422,339.37-582,828.44-231,359.55

Finding the Fourth Proportional to 422,339.37, 582,828.44 and 231,359.55

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Solution

The fourth proportional to 422,339.37, 582,828.44 and 231,359.55 is: 319,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,339.37 : 582,828.44 = 231,359.55 : x
  2. Step 2: Convert to fraction form
    422,339.37/582,828.44 = 231,359.55/x
  3. Step 3: Cross multiply
    422,339.37x = 582,828.44 × 231,359.55
  4. Step 4: Simplify right side
    422,339.37x = 134,842,924,448.80
  5. Step 5: Solve for x
    x = 134,842,924,448.80/422,339.37
  6. Step 6: Final answer
    x = 319,276.24

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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.