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Finding the Fourth Proportional to 238,092.60, 357,151.86 and 71,876.28

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Solution

The fourth proportional to 238,092.60, 357,151.86 and 71,876.28 is: 107,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,092.60 : 357,151.86 = 71,876.28 : x
  2. Step 2: Convert to fraction form
    238,092.60/357,151.86 = 71,876.28/x
  3. Step 3: Cross multiply
    238,092.60x = 357,151.86 × 71,876.28
  4. Step 4: Simplify right side
    238,092.60x = 25,670,747,091.88
  5. Step 5: Solve for x
    x = 25,670,747,091.88/238,092.60
  6. Step 6: Final answer
    x = 107,818.33

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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.