Home / 226,982.49-313,165.22-128,849.37

Finding the Fourth Proportional to 226,982.49, 313,165.22 and 128,849.37

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Solution

The fourth proportional to 226,982.49, 313,165.22 and 128,849.37 is: 177,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,982.49 : 313,165.22 = 128,849.37 : x
  2. Step 2: Convert to fraction form
    226,982.49/313,165.22 = 128,849.37/x
  3. Step 3: Cross multiply
    226,982.49x = 313,165.22 × 128,849.37
  4. Step 4: Simplify right side
    226,982.49x = 40,351,140,658.66
  5. Step 5: Solve for x
    x = 40,351,140,658.66/226,982.49
  6. Step 6: Final answer
    x = 177,772.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.