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Finding the Fourth Proportional to 108,870, 163,305 and 34,998

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Solution

The fourth proportional to 108,870, 163,305 and 34,998 is: 52,497

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,870 : 163,305 = 34,998 : x
  2. Step 2: Convert to fraction form
    108,870/163,305 = 34,998/x
  3. Step 3: Cross multiply
    108,870x = 163,305 × 34,998
  4. Step 4: Simplify right side
    108,870x = 5,715,348,390
  5. Step 5: Solve for x
    x = 5,715,348,390/108,870
  6. Step 6: Final answer
    x = 52,497

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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.