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Finding the Fourth Proportional to 178,992.59, 268,480.37 and 52,627.73

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Solution

The fourth proportional to 178,992.59, 268,480.37 and 52,627.73 is: 78,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,992.59 : 268,480.37 = 52,627.73 : x
  2. Step 2: Convert to fraction form
    178,992.59/268,480.37 = 52,627.73/x
  3. Step 3: Cross multiply
    178,992.59x = 268,480.37 × 52,627.73
  4. Step 4: Simplify right side
    178,992.59x = 14,129,511,211.83
  5. Step 5: Solve for x
    x = 14,129,511,211.83/178,992.59
  6. Step 6: Final answer
    x = 78,939.09

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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.