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Finding the Fourth Proportional to 226,504.40, 339,773.99 and 74,642.41

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Solution

The fourth proportional to 226,504.40, 339,773.99 and 74,642.41 is: 111,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,504.40 : 339,773.99 = 74,642.41 : x
  2. Step 2: Convert to fraction form
    226,504.40/339,773.99 = 74,642.41/x
  3. Step 3: Cross multiply
    226,504.40x = 339,773.99 × 74,642.41
  4. Step 4: Simplify right side
    226,504.40x = 25,361,549,940.28
  5. Step 5: Solve for x
    x = 25,361,549,940.28/226,504.40
  6. Step 6: Final answer
    x = 111,969.35

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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.