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Finding the Fourth Proportional to 154,418.60, 231,627.90 and 43,610.60

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Solution

The fourth proportional to 154,418.60, 231,627.90 and 43,610.60 is: 65,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,418.60 : 231,627.90 = 43,610.60 : x
  2. Step 2: Convert to fraction form
    154,418.60/231,627.90 = 43,610.60/x
  3. Step 3: Cross multiply
    154,418.60x = 231,627.90 × 43,610.60
  4. Step 4: Simplify right side
    154,418.60x = 10,101,431,695.74
  5. Step 5: Solve for x
    x = 10,101,431,695.74/154,418.60
  6. Step 6: Final answer
    x = 65,415.90

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