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Finding the Fourth Proportional to 227,745.60, 341,618.40 and 103,086.60

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Solution

The fourth proportional to 227,745.60, 341,618.40 and 103,086.60 is: 154,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,745.60 : 341,618.40 = 103,086.60 : x
  2. Step 2: Convert to fraction form
    227,745.60/341,618.40 = 103,086.60/x
  3. Step 3: Cross multiply
    227,745.60x = 341,618.40 × 103,086.60
  4. Step 4: Simplify right side
    227,745.60x = 35,216,279,353.44
  5. Step 5: Solve for x
    x = 35,216,279,353.44/227,745.60
  6. Step 6: Final answer
    x = 154,629.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.