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Finding the Fourth Proportional to 200,249.20, 300,009.30 and 158,404.60

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Solution

The fourth proportional to 200,249.20, 300,009.30 and 158,404.60 is: 237,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,249.20 : 300,009.30 = 158,404.60 : x
  2. Step 2: Convert to fraction form
    200,249.20/300,009.30 = 158,404.60/x
  3. Step 3: Cross multiply
    200,249.20x = 300,009.30 × 158,404.60
  4. Step 4: Simplify right side
    200,249.20x = 47,522,853,162.78
  5. Step 5: Solve for x
    x = 47,522,853,162.78/200,249.20
  6. Step 6: Final answer
    x = 237,318.57

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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.