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Finding the Fourth Proportional to 441,180, 661,770 and 108,756

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Solution

The fourth proportional to 441,180, 661,770 and 108,756 is: 163,134

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,180 : 661,770 = 108,756 : x
  2. Step 2: Convert to fraction form
    441,180/661,770 = 108,756/x
  3. Step 3: Cross multiply
    441,180x = 661,770 × 108,756
  4. Step 4: Simplify right side
    441,180x = 71,971,458,120
  5. Step 5: Solve for x
    x = 71,971,458,120/441,180
  6. Step 6: Final answer
    x = 163,134

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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.