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Finding the Fourth Proportional to 244,648.34, 366,884.48 and 84,680.84

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Solution

The fourth proportional to 244,648.34, 366,884.48 and 84,680.84 is: 126,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,648.34 : 366,884.48 = 84,680.84 : x
  2. Step 2: Convert to fraction form
    244,648.34/366,884.48 = 84,680.84/x
  3. Step 3: Cross multiply
    244,648.34x = 366,884.48 × 84,680.84
  4. Step 4: Simplify right side
    244,648.34x = 31,068,085,949.36
  5. Step 5: Solve for x
    x = 31,068,085,949.36/244,648.34
  6. Step 6: Final answer
    x = 126,990.79

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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.