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Finding the Fourth Proportional to 154,394.80, 231,559.72 and 43,560.88

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Solution

The fourth proportional to 154,394.80, 231,559.72 and 43,560.88 is: 65,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,394.80 : 231,559.72 = 43,560.88 : x
  2. Step 2: Convert to fraction form
    154,394.80/231,559.72 = 43,560.88/x
  3. Step 3: Cross multiply
    154,394.80x = 231,559.72 × 43,560.88
  4. Step 4: Simplify right side
    154,394.80x = 10,086,945,175.75
  5. Step 5: Solve for x
    x = 10,086,945,175.75/154,394.80
  6. Step 6: Final answer
    x = 65,332.16

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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.