Home / 422,070.23-582,456.87-231,083.57

Finding the Fourth Proportional to 422,070.23, 582,456.87 and 231,083.57

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Solution

The fourth proportional to 422,070.23, 582,456.87 and 231,083.57 is: 318,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,070.23 : 582,456.87 = 231,083.57 : x
  2. Step 2: Convert to fraction form
    422,070.23/582,456.87 = 231,083.57/x
  3. Step 3: Cross multiply
    422,070.23x = 582,456.87 × 231,083.57
  4. Step 4: Simplify right side
    422,070.23x = 134,596,209,978.34
  5. Step 5: Solve for x
    x = 134,596,209,978.34/422,070.23
  6. Step 6: Final answer
    x = 318,895.30

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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.