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Finding the Fourth Proportional to 171,001.40, 256,502.16 and 44,641.28

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Solution

The fourth proportional to 171,001.40, 256,502.16 and 44,641.28 is: 66,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,001.40 : 256,502.16 = 44,641.28 : x
  2. Step 2: Convert to fraction form
    171,001.40/256,502.16 = 44,641.28/x
  3. Step 3: Cross multiply
    171,001.40x = 256,502.16 × 44,641.28
  4. Step 4: Simplify right side
    171,001.40x = 11,450,584,745.16
  5. Step 5: Solve for x
    x = 11,450,584,745.16/171,001.40
  6. Step 6: Final answer
    x = 66,961.94

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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.