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Finding the Fourth Proportional to 226,235.68, 338,836.56 and 107,990

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Solution

The fourth proportional to 226,235.68, 338,836.56 and 107,990 is: 161,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,235.68 : 338,836.56 = 107,990 : x
  2. Step 2: Convert to fraction form
    226,235.68/338,836.56 = 107,990/x
  3. Step 3: Cross multiply
    226,235.68x = 338,836.56 × 107,990
  4. Step 4: Simplify right side
    226,235.68x = 36,590,960,114.40
  5. Step 5: Solve for x
    x = 36,590,960,114.40/226,235.68
  6. Step 6: Final answer
    x = 161,738.24

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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.