Home / 422,310.03-582,787.98-231,330.30

Finding the Fourth Proportional to 422,310.03, 582,787.98 and 231,330.30

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Solution

The fourth proportional to 422,310.03, 582,787.98 and 231,330.30 is: 319,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,310.03 : 582,787.98 = 231,330.30 : x
  2. Step 2: Convert to fraction form
    422,310.03/582,787.98 = 231,330.30/x
  3. Step 3: Cross multiply
    422,310.03x = 582,787.98 × 231,330.30
  4. Step 4: Simplify right side
    422,310.03x = 134,816,518,249.79
  5. Step 5: Solve for x
    x = 134,816,518,249.79/422,310.03
  6. Step 6: Final answer
    x = 319,235.89

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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.