Home / 221,669.62-332,551.19-71,898.28

Finding the Fourth Proportional to 221,669.62, 332,551.19 and 71,898.28

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Solution

The fourth proportional to 221,669.62, 332,551.19 and 71,898.28 is: 107,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,669.62 : 332,551.19 = 71,898.28 : x
  2. Step 2: Convert to fraction form
    221,669.62/332,551.19 = 71,898.28/x
  3. Step 3: Cross multiply
    221,669.62x = 332,551.19 × 71,898.28
  4. Step 4: Simplify right side
    221,669.62x = 23,909,858,572.95
  5. Step 5: Solve for x
    x = 23,909,858,572.95/221,669.62
  6. Step 6: Final answer
    x = 107,862.59

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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.