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Finding the Fourth Proportional to 235,104.75, 352,657.13 and 68,892.75

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Solution

The fourth proportional to 235,104.75, 352,657.13 and 68,892.75 is: 103,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,104.75 : 352,657.13 = 68,892.75 : x
  2. Step 2: Convert to fraction form
    235,104.75/352,657.13 = 68,892.75/x
  3. Step 3: Cross multiply
    235,104.75x = 352,657.13 × 68,892.75
  4. Step 4: Simplify right side
    235,104.75x = 24,295,519,148.34
  5. Step 5: Solve for x
    x = 24,295,519,148.34/235,104.75
  6. Step 6: Final answer
    x = 103,339.13

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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.