Home / 221,435.69-331,949.15-88,283.75

Finding the Fourth Proportional to 221,435.69, 331,949.15 and 88,283.75

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Solution

The fourth proportional to 221,435.69, 331,949.15 and 88,283.75 is: 132,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435.69 : 331,949.15 = 88,283.75 : x
  2. Step 2: Convert to fraction form
    221,435.69/331,949.15 = 88,283.75/x
  3. Step 3: Cross multiply
    221,435.69x = 331,949.15 × 88,283.75
  4. Step 4: Simplify right side
    221,435.69x = 29,305,715,329.89
  5. Step 5: Solve for x
    x = 29,305,715,329.89/221,435.69
  6. Step 6: Final answer
    x = 132,344.14

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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.