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Finding the Fourth Proportional to 84,870, 127,305 and 29,466

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Solution

The fourth proportional to 84,870, 127,305 and 29,466 is: 44,199

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,870 : 127,305 = 29,466 : x
  2. Step 2: Convert to fraction form
    84,870/127,305 = 29,466/x
  3. Step 3: Cross multiply
    84,870x = 127,305 × 29,466
  4. Step 4: Simplify right side
    84,870x = 3,751,169,130
  5. Step 5: Solve for x
    x = 3,751,169,130/84,870
  6. Step 6: Final answer
    x = 44,199

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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.