Home / 422,340.25-582,829.64-231,360.43

Finding the Fourth Proportional to 422,340.25, 582,829.64 and 231,360.43

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Solution

The fourth proportional to 422,340.25, 582,829.64 and 231,360.43 is: 319,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,340.25 : 582,829.64 = 231,360.43 : x
  2. Step 2: Convert to fraction form
    422,340.25/582,829.64 = 231,360.43/x
  3. Step 3: Cross multiply
    422,340.25x = 582,829.64 × 231,360.43
  4. Step 4: Simplify right side
    422,340.25x = 134,843,716,127.15
  5. Step 5: Solve for x
    x = 134,843,716,127.15/422,340.25
  6. Step 6: Final answer
    x = 319,277.45

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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.