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Finding the Fourth Proportional to 223,629.30, 335,627.55 and 221,879.70

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Solution

The fourth proportional to 223,629.30, 335,627.55 and 221,879.70 is: 333,001.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,629.30 : 335,627.55 = 221,879.70 : x
  2. Step 2: Convert to fraction form
    223,629.30/335,627.55 = 221,879.70/x
  3. Step 3: Cross multiply
    223,629.30x = 335,627.55 × 221,879.70
  4. Step 4: Simplify right side
    223,629.30x = 74,468,940,105.74
  5. Step 5: Solve for x
    x = 74,468,940,105.74/223,629.30
  6. Step 6: Final answer
    x = 333,001.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.