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Finding the Fourth Proportional to 154,217.26, 231,327.48 and 54,358.84

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Solution

The fourth proportional to 154,217.26, 231,327.48 and 54,358.84 is: 81,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,217.26 : 231,327.48 = 54,358.84 : x
  2. Step 2: Convert to fraction form
    154,217.26/231,327.48 = 54,358.84/x
  3. Step 3: Cross multiply
    154,217.26x = 231,327.48 × 54,358.84
  4. Step 4: Simplify right side
    154,217.26x = 12,574,693,472.92
  5. Step 5: Solve for x
    x = 12,574,693,472.92/154,217.26
  6. Step 6: Final answer
    x = 81,538.82

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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.