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Finding the Fourth Proportional to 223,605.36, 335,272.56 and 100,344.56

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Solution

The fourth proportional to 223,605.36, 335,272.56 and 100,344.56 is: 150,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,605.36 : 335,272.56 = 100,344.56 : x
  2. Step 2: Convert to fraction form
    223,605.36/335,272.56 = 100,344.56/x
  3. Step 3: Cross multiply
    223,605.36x = 335,272.56 × 100,344.56
  4. Step 4: Simplify right side
    223,605.36x = 33,642,775,836.91
  5. Step 5: Solve for x
    x = 33,642,775,836.91/223,605.36
  6. Step 6: Final answer
    x = 150,456.03

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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.