Home / 240,905.80-332,729.94-226,909

Finding the Fourth Proportional to 240,905.80, 332,729.94 and 226,909

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Solution

The fourth proportional to 240,905.80, 332,729.94 and 226,909 is: 313,398.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,905.80 : 332,729.94 = 226,909 : x
  2. Step 2: Convert to fraction form
    240,905.80/332,729.94 = 226,909/x
  3. Step 3: Cross multiply
    240,905.80x = 332,729.94 × 226,909
  4. Step 4: Simplify right side
    240,905.80x = 75,499,417,955.46
  5. Step 5: Solve for x
    x = 75,499,417,955.46/240,905.80
  6. Step 6: Final answer
    x = 313,398.09

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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.