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Finding the Fourth Proportional to 240,843.64, 332,049.14 and 207,213.38

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Solution

The fourth proportional to 240,843.64, 332,049.14 and 207,213.38 is: 285,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,843.64 : 332,049.14 = 207,213.38 : x
  2. Step 2: Convert to fraction form
    240,843.64/332,049.14 = 207,213.38/x
  3. Step 3: Cross multiply
    240,843.64x = 332,049.14 × 207,213.38
  4. Step 4: Simplify right side
    240,843.64x = 68,805,024,625.49
  5. Step 5: Solve for x
    x = 68,805,024,625.49/240,843.64
  6. Step 6: Final answer
    x = 285,683.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.