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Finding the Fourth Proportional to 219,596.62, 329,414.38 and 61,826.44

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Solution

The fourth proportional to 219,596.62, 329,414.38 and 61,826.44 is: 92,745.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,596.62 : 329,414.38 = 61,826.44 : x
  2. Step 2: Convert to fraction form
    219,596.62/329,414.38 = 61,826.44/x
  3. Step 3: Cross multiply
    219,596.62x = 329,414.38 × 61,826.44
  4. Step 4: Simplify right side
    219,596.62x = 20,366,518,400.21
  5. Step 5: Solve for x
    x = 20,366,518,400.21/219,596.62
  6. Step 6: Final answer
    x = 92,745.14

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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.