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Finding the Fourth Proportional to 221,437.94, 331,952.52 and 88,286

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Solution

The fourth proportional to 221,437.94, 331,952.52 and 88,286 is: 132,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,437.94 : 331,952.52 = 88,286 : x
  2. Step 2: Convert to fraction form
    221,437.94/331,952.52 = 88,286/x
  3. Step 3: Cross multiply
    221,437.94x = 331,952.52 × 88,286
  4. Step 4: Simplify right side
    221,437.94x = 29,306,760,180.72
  5. Step 5: Solve for x
    x = 29,306,760,180.72/221,437.94
  6. Step 6: Final answer
    x = 132,347.51

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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.