Home / 422,339.60-582,828.76-231,359.84

Finding the Fourth Proportional to 422,339.60, 582,828.76 and 231,359.84

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Solution

The fourth proportional to 422,339.60, 582,828.76 and 231,359.84 is: 319,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,339.60 : 582,828.76 = 231,359.84 : x
  2. Step 2: Convert to fraction form
    422,339.60/582,828.76 = 231,359.84/x
  3. Step 3: Cross multiply
    422,339.60x = 582,828.76 × 231,359.84
  4. Step 4: Simplify right side
    422,339.60x = 134,843,168,661.00
  5. Step 5: Solve for x
    x = 134,843,168,661.00/422,339.60
  6. Step 6: Final answer
    x = 319,276.64

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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.