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Finding the Fourth Proportional to 223,722.60, 335,540.15 and 83,453.28

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Solution

The fourth proportional to 223,722.60, 335,540.15 and 83,453.28 is: 125,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,722.60 : 335,540.15 = 83,453.28 : x
  2. Step 2: Convert to fraction form
    223,722.60/335,540.15 = 83,453.28/x
  3. Step 3: Cross multiply
    223,722.60x = 335,540.15 × 83,453.28
  4. Step 4: Simplify right side
    223,722.60x = 28,001,926,089.19
  5. Step 5: Solve for x
    x = 28,001,926,089.19/223,722.60
  6. Step 6: Final answer
    x = 125,163.60

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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.