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Finding the Fourth Proportional to 171,151, 256,760.70 and 52,817.89

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Solution

The fourth proportional to 171,151, 256,760.70 and 52,817.89 is: 79,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,151 : 256,760.70 = 52,817.89 : x
  2. Step 2: Convert to fraction form
    171,151/256,760.70 = 52,817.89/x
  3. Step 3: Cross multiply
    171,151x = 256,760.70 × 52,817.89
  4. Step 4: Simplify right side
    171,151x = 13,561,558,408.92
  5. Step 5: Solve for x
    x = 13,561,558,408.92/171,151
  6. Step 6: Final answer
    x = 79,237.39

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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.