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Finding the Fourth Proportional to 422,174.60, 582,596.78 and 228,581.36

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Solution

The fourth proportional to 422,174.60, 582,596.78 and 228,581.36 is: 315,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,174.60 : 582,596.78 = 228,581.36 : x
  2. Step 2: Convert to fraction form
    422,174.60/582,596.78 = 228,581.36/x
  3. Step 3: Cross multiply
    422,174.60x = 582,596.78 × 228,581.36
  4. Step 4: Simplify right side
    422,174.60x = 133,170,764,304.02
  5. Step 5: Solve for x
    x = 133,170,764,304.02/422,174.60
  6. Step 6: Final answer
    x = 315,440.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.