Home / 422,183.90-582,609.41-228,588.28

Finding the Fourth Proportional to 422,183.90, 582,609.41 and 228,588.28

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Solution

The fourth proportional to 422,183.90, 582,609.41 and 228,588.28 is: 315,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,183.90 : 582,609.41 = 228,588.28 : x
  2. Step 2: Convert to fraction form
    422,183.90/582,609.41 = 228,588.28/x
  3. Step 3: Cross multiply
    422,183.90x = 582,609.41 × 228,588.28
  4. Step 4: Simplify right side
    422,183.90x = 133,177,681,201.46
  5. Step 5: Solve for x
    x = 133,177,681,201.46/422,183.90
  6. Step 6: Final answer
    x = 315,449.46

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1.5x scale

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.