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Finding the Fourth Proportional to 198,986.92, 298,584.06 and 88,153

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Solution

The fourth proportional to 198,986.92, 298,584.06 and 88,153 is: 132,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,986.92 : 298,584.06 = 88,153 : x
  2. Step 2: Convert to fraction form
    198,986.92/298,584.06 = 88,153/x
  3. Step 3: Cross multiply
    198,986.92x = 298,584.06 × 88,153
  4. Step 4: Simplify right side
    198,986.92x = 26,321,080,641.18
  5. Step 5: Solve for x
    x = 26,321,080,641.18/198,986.92
  6. Step 6: Final answer
    x = 132,275.43

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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.