Home / 422,340.12-582,829.34-231,353.46

Finding the Fourth Proportional to 422,340.12, 582,829.34 and 231,353.46

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Solution

The fourth proportional to 422,340.12, 582,829.34 and 231,353.46 is: 319,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,340.12 : 582,829.34 = 231,353.46 : x
  2. Step 2: Convert to fraction form
    422,340.12/582,829.34 = 231,353.46/x
  3. Step 3: Cross multiply
    422,340.12x = 582,829.34 × 231,353.46
  4. Step 4: Simplify right side
    422,340.12x = 134,839,583,241.75
  5. Step 5: Solve for x
    x = 134,839,583,241.75/422,340.12
  6. Step 6: Final answer
    x = 319,267.76

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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.