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Finding the Fourth Proportional to 223,816.80, 335,908.80 and 222,067.20

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Solution

The fourth proportional to 223,816.80, 335,908.80 and 222,067.20 is: 333,282.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,816.80 : 335,908.80 = 222,067.20 : x
  2. Step 2: Convert to fraction form
    223,816.80/335,908.80 = 222,067.20/x
  3. Step 3: Cross multiply
    223,816.80x = 335,908.80 × 222,067.20
  4. Step 4: Simplify right side
    223,816.80x = 74,594,326,671.36
  5. Step 5: Solve for x
    x = 74,594,326,671.36/223,816.80
  6. Step 6: Final answer
    x = 333,282.96

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1.5x scale

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.