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Finding the Fourth Proportional to 223,836.63, 335,543.91 and 111,410.55

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Solution

The fourth proportional to 223,836.63, 335,543.91 and 111,410.55 is: 167,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,836.63 : 335,543.91 = 111,410.55 : x
  2. Step 2: Convert to fraction form
    223,836.63/335,543.91 = 111,410.55/x
  3. Step 3: Cross multiply
    223,836.63x = 335,543.91 × 111,410.55
  4. Step 4: Simplify right side
    223,836.63x = 37,383,131,562.25
  5. Step 5: Solve for x
    x = 37,383,131,562.25/223,836.63
  6. Step 6: Final answer
    x = 167,010.79

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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.