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Finding the Fourth Proportional to 332,906.28, 499,406.81 and 108,194.46

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Solution

The fourth proportional to 332,906.28, 499,406.81 and 108,194.46 is: 162,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,906.28 : 499,406.81 = 108,194.46 : x
  2. Step 2: Convert to fraction form
    332,906.28/499,406.81 = 108,194.46/x
  3. Step 3: Cross multiply
    332,906.28x = 499,406.81 × 108,194.46
  4. Step 4: Simplify right side
    332,906.28x = 54,033,049,587.30
  5. Step 5: Solve for x
    x = 54,033,049,587.30/332,906.28
  6. Step 6: Final answer
    x = 162,307.09

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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.