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Finding the Fourth Proportional to 322,399.11, 444,772.74 and 201,330.24

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Solution

The fourth proportional to 322,399.11, 444,772.74 and 201,330.24 is: 277,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,399.11 : 444,772.74 = 201,330.24 : x
  2. Step 2: Convert to fraction form
    322,399.11/444,772.74 = 201,330.24/x
  3. Step 3: Cross multiply
    322,399.11x = 444,772.74 × 201,330.24
  4. Step 4: Simplify right side
    322,399.11x = 89,546,200,444.27
  5. Step 5: Solve for x
    x = 89,546,200,444.27/322,399.11
  6. Step 6: Final answer
    x = 277,749.52

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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.