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Finding the Fourth Proportional to 352,282.60, 527,819.10 and 164,909.80

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Solution

The fourth proportional to 352,282.60, 527,819.10 and 164,909.80 is: 247,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,282.60 : 527,819.10 = 164,909.80 : x
  2. Step 2: Convert to fraction form
    352,282.60/527,819.10 = 164,909.80/x
  3. Step 3: Cross multiply
    352,282.60x = 527,819.10 × 164,909.80
  4. Step 4: Simplify right side
    352,282.60x = 87,042,542,217.18
  5. Step 5: Solve for x
    x = 87,042,542,217.18/352,282.60
  6. Step 6: Final answer
    x = 247,081.58

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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.