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Finding the Fourth Proportional to 238,085.80, 356,876.70 and 88,229.80

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Solution

The fourth proportional to 238,085.80, 356,876.70 and 88,229.80 is: 132,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,085.80 : 356,876.70 = 88,229.80 : x
  2. Step 2: Convert to fraction form
    238,085.80/356,876.70 = 88,229.80/x
  3. Step 3: Cross multiply
    238,085.80x = 356,876.70 × 88,229.80
  4. Step 4: Simplify right side
    238,085.80x = 31,487,159,865.66
  5. Step 5: Solve for x
    x = 31,487,159,865.66/238,085.80
  6. Step 6: Final answer
    x = 132,251.31

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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.