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Finding the Fourth Proportional to 223,856.62, 335,821.38 and 66,101.02

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Solution

The fourth proportional to 223,856.62, 335,821.38 and 66,101.02 is: 99,162.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,856.62 : 335,821.38 = 66,101.02 : x
  2. Step 2: Convert to fraction form
    223,856.62/335,821.38 = 66,101.02/x
  3. Step 3: Cross multiply
    223,856.62x = 335,821.38 × 66,101.02
  4. Step 4: Simplify right side
    223,856.62x = 22,198,134,668.38
  5. Step 5: Solve for x
    x = 22,198,134,668.38/223,856.62
  6. Step 6: Final answer
    x = 99,162.29

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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.