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Finding the Fourth Proportional to 132,329, 198,493.50 and 33,833

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Solution

The fourth proportional to 132,329, 198,493.50 and 33,833 is: 50,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329 : 198,493.50 = 33,833 : x
  2. Step 2: Convert to fraction form
    132,329/198,493.50 = 33,833/x
  3. Step 3: Cross multiply
    132,329x = 198,493.50 × 33,833
  4. Step 4: Simplify right side
    132,329x = 6,715,630,585.50
  5. Step 5: Solve for x
    x = 6,715,630,585.50/132,329
  6. Step 6: Final answer
    x = 50,749.50

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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.