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Finding the Fourth Proportional to 244,134, 336,876.57 and 142,181.73

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Solution

The fourth proportional to 244,134, 336,876.57 and 142,181.73 is: 196,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,134 : 336,876.57 = 142,181.73 : x
  2. Step 2: Convert to fraction form
    244,134/336,876.57 = 142,181.73/x
  3. Step 3: Cross multiply
    244,134x = 336,876.57 × 142,181.73
  4. Step 4: Simplify right side
    244,134x = 47,897,693,519.07
  5. Step 5: Solve for x
    x = 47,897,693,519.07/244,134
  6. Step 6: Final answer
    x = 196,194.28

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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.