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Finding the Fourth Proportional to 270,046.85, 404,976.42 and 150,286.55

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Solution

The fourth proportional to 270,046.85, 404,976.42 and 150,286.55 is: 225,377.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,046.85 : 404,976.42 = 150,286.55 : x
  2. Step 2: Convert to fraction form
    270,046.85/404,976.42 = 150,286.55/x
  3. Step 3: Cross multiply
    270,046.85x = 404,976.42 × 150,286.55
  4. Step 4: Simplify right side
    270,046.85x = 60,862,506,968.27
  5. Step 5: Solve for x
    x = 60,862,506,968.27/270,046.85
  6. Step 6: Final answer
    x = 225,377.59

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1.5x scale

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.