Home / 422,162.16-582,583.44-231,179.28

Finding the Fourth Proportional to 422,162.16, 582,583.44 and 231,179.28

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Solution

The fourth proportional to 422,162.16, 582,583.44 and 231,179.28 is: 319,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,162.16 : 582,583.44 = 231,179.28 : x
  2. Step 2: Convert to fraction form
    422,162.16/582,583.44 = 231,179.28/x
  3. Step 3: Cross multiply
    422,162.16x = 582,583.44 × 231,179.28
  4. Step 4: Simplify right side
    422,162.16x = 134,681,220,199.12
  5. Step 5: Solve for x
    x = 134,681,220,199.12/422,162.16
  6. Step 6: Final answer
    x = 319,027.22

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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.