Home / 221,046.60-331,569.90-54,834.60

Finding the Fourth Proportional to 221,046.60, 331,569.90 and 54,834.60

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Solution

The fourth proportional to 221,046.60, 331,569.90 and 54,834.60 is: 82,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,046.60 : 331,569.90 = 54,834.60 : x
  2. Step 2: Convert to fraction form
    221,046.60/331,569.90 = 54,834.60/x
  3. Step 3: Cross multiply
    221,046.60x = 331,569.90 × 54,834.60
  4. Step 4: Simplify right side
    221,046.60x = 18,181,502,838.54
  5. Step 5: Solve for x
    x = 18,181,502,838.54/221,046.60
  6. Step 6: Final answer
    x = 82,251.90

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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.