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Finding the Fourth Proportional to 154,400.90, 231,601.35 and 54,564.35

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Solution

The fourth proportional to 154,400.90, 231,601.35 and 54,564.35 is: 81,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,400.90 : 231,601.35 = 54,564.35 : x
  2. Step 2: Convert to fraction form
    154,400.90/231,601.35 = 54,564.35/x
  3. Step 3: Cross multiply
    154,400.90x = 231,601.35 × 54,564.35
  4. Step 4: Simplify right side
    154,400.90x = 12,637,177,121.87
  5. Step 5: Solve for x
    x = 12,637,177,121.87/154,400.90
  6. Step 6: Final answer
    x = 81,846.53

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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.