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Finding the Fourth Proportional to 188,280, 259,849.44 and 108,792

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Solution

The fourth proportional to 188,280, 259,849.44 and 108,792 is: 150,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,280 : 259,849.44 = 108,792 : x
  2. Step 2: Convert to fraction form
    188,280/259,849.44 = 108,792/x
  3. Step 3: Cross multiply
    188,280x = 259,849.44 × 108,792
  4. Step 4: Simplify right side
    188,280x = 28,269,540,276.48
  5. Step 5: Solve for x
    x = 28,269,540,276.48/188,280
  6. Step 6: Final answer
    x = 150,146.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.