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Finding the Fourth Proportional to 168,680.52, 253,020.78 and 44,020.44

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Solution

The fourth proportional to 168,680.52, 253,020.78 and 44,020.44 is: 66,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,680.52 : 253,020.78 = 44,020.44 : x
  2. Step 2: Convert to fraction form
    168,680.52/253,020.78 = 44,020.44/x
  3. Step 3: Cross multiply
    168,680.52x = 253,020.78 × 44,020.44
  4. Step 4: Simplify right side
    168,680.52x = 11,138,086,064.74
  5. Step 5: Solve for x
    x = 11,138,086,064.74/168,680.52
  6. Step 6: Final answer
    x = 66,030.66

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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.