Home / 221,454.12-331,976.52-88,302

Finding the Fourth Proportional to 221,454.12, 331,976.52 and 88,302

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Solution

The fourth proportional to 221,454.12, 331,976.52 and 88,302 is: 132,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454.12 : 331,976.52 = 88,302 : x
  2. Step 2: Convert to fraction form
    221,454.12/331,976.52 = 88,302/x
  3. Step 3: Cross multiply
    221,454.12x = 331,976.52 × 88,302
  4. Step 4: Simplify right side
    221,454.12x = 29,314,190,669.04
  5. Step 5: Solve for x
    x = 29,314,190,669.04/221,454.12
  6. Step 6: Final answer
    x = 132,371.39

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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.