Home / 221,455.30-332,021.97-88,295.62

Finding the Fourth Proportional to 221,455.30, 332,021.97 and 88,295.62

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Solution

The fourth proportional to 221,455.30, 332,021.97 and 88,295.62 is: 132,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,455.30 : 332,021.97 = 88,295.62 : x
  2. Step 2: Convert to fraction form
    221,455.30/332,021.97 = 88,295.62/x
  3. Step 3: Cross multiply
    221,455.30x = 332,021.97 × 88,295.62
  4. Step 4: Simplify right side
    221,455.30x = 29,316,085,694.77
  5. Step 5: Solve for x
    x = 29,316,085,694.77/221,455.30
  6. Step 6: Final answer
    x = 132,379.25

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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.