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Finding the Fourth Proportional to 171,115.10, 256,653.04 and 44,767.54

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Solution

The fourth proportional to 171,115.10, 256,653.04 and 44,767.54 is: 67,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,115.10 : 256,653.04 = 44,767.54 : x
  2. Step 2: Convert to fraction form
    171,115.10/256,653.04 = 44,767.54/x
  3. Step 3: Cross multiply
    171,115.10x = 256,653.04 × 44,767.54
  4. Step 4: Simplify right side
    171,115.10x = 11,489,725,234.32
  5. Step 5: Solve for x
    x = 11,489,725,234.32/171,115.10
  6. Step 6: Final answer
    x = 67,146.18

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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.