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Finding the Fourth Proportional to 199,234.60, 298,851.90 and 88,642.60

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Solution

The fourth proportional to 199,234.60, 298,851.90 and 88,642.60 is: 132,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,234.60 : 298,851.90 = 88,642.60 : x
  2. Step 2: Convert to fraction form
    199,234.60/298,851.90 = 88,642.60/x
  3. Step 3: Cross multiply
    199,234.60x = 298,851.90 × 88,642.60
  4. Step 4: Simplify right side
    199,234.60x = 26,491,009,430.94
  5. Step 5: Solve for x
    x = 26,491,009,430.94/199,234.60
  6. Step 6: Final answer
    x = 132,963.90

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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.