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Finding the Fourth Proportional to 223,473.26, 335,209.02 and 90,351.92

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Solution

The fourth proportional to 223,473.26, 335,209.02 and 90,351.92 is: 135,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,473.26 : 335,209.02 = 90,351.92 : x
  2. Step 2: Convert to fraction form
    223,473.26/335,209.02 = 90,351.92/x
  3. Step 3: Cross multiply
    223,473.26x = 335,209.02 × 90,351.92
  4. Step 4: Simplify right side
    223,473.26x = 30,286,778,558.32
  5. Step 5: Solve for x
    x = 30,286,778,558.32/223,473.26
  6. Step 6: Final answer
    x = 135,527.53

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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.