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Finding the Fourth Proportional to 228,662.28, 342,993.56 and 95,469.96

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Solution

The fourth proportional to 228,662.28, 342,993.56 and 95,469.96 is: 143,205.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,662.28 : 342,993.56 = 95,469.96 : x
  2. Step 2: Convert to fraction form
    228,662.28/342,993.56 = 95,469.96/x
  3. Step 3: Cross multiply
    228,662.28x = 342,993.56 × 95,469.96
  4. Step 4: Simplify right side
    228,662.28x = 32,745,581,453.46
  5. Step 5: Solve for x
    x = 32,745,581,453.46/228,662.28
  6. Step 6: Final answer
    x = 143,205.00

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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.