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Finding the Fourth Proportional to 180,511.70, 270,850.50 and 68,230.89

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Solution

The fourth proportional to 180,511.70, 270,850.50 and 68,230.89 is: 102,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,511.70 : 270,850.50 = 68,230.89 : x
  2. Step 2: Convert to fraction form
    180,511.70/270,850.50 = 68,230.89/x
  3. Step 3: Cross multiply
    180,511.70x = 270,850.50 × 68,230.89
  4. Step 4: Simplify right side
    180,511.70x = 18,480,370,671.95
  5. Step 5: Solve for x
    x = 18,480,370,671.95/180,511.70
  6. Step 6: Final answer
    x = 102,377.69

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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.