Home / 272,450.43-408,091.79-221,608.13

Finding the Fourth Proportional to 272,450.43, 408,091.79 and 221,608.13

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Solution

The fourth proportional to 272,450.43, 408,091.79 and 221,608.13 is: 331,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,450.43 : 408,091.79 = 221,608.13 : x
  2. Step 2: Convert to fraction form
    272,450.43/408,091.79 = 221,608.13/x
  3. Step 3: Cross multiply
    272,450.43x = 408,091.79 × 221,608.13
  4. Step 4: Simplify right side
    272,450.43x = 90,436,456,482.44
  5. Step 5: Solve for x
    x = 90,436,456,482.44/272,450.43
  6. Step 6: Final answer
    x = 331,937.28

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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.