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Finding the Fourth Proportional to 223,716.60, 335,627.42 and 73,956.87

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Solution

The fourth proportional to 223,716.60, 335,627.42 and 73,956.87 is: 110,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,716.60 : 335,627.42 = 73,956.87 : x
  2. Step 2: Convert to fraction form
    223,716.60/335,627.42 = 73,956.87/x
  3. Step 3: Cross multiply
    223,716.60x = 335,627.42 × 73,956.87
  4. Step 4: Simplify right side
    223,716.60x = 24,821,953,099.59
  5. Step 5: Solve for x
    x = 24,821,953,099.59/223,716.60
  6. Step 6: Final answer
    x = 110,952.67

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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.