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Finding the Fourth Proportional to 300,002.72, 449,852.40 and 100,253.60

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Solution

The fourth proportional to 300,002.72, 449,852.40 and 100,253.60 is: 150,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,002.72 : 449,852.40 = 100,253.60 : x
  2. Step 2: Convert to fraction form
    300,002.72/449,852.40 = 100,253.60/x
  3. Step 3: Cross multiply
    300,002.72x = 449,852.40 × 100,253.60
  4. Step 4: Simplify right side
    300,002.72x = 45,099,322,568.64
  5. Step 5: Solve for x
    x = 45,099,322,568.64/300,002.72
  6. Step 6: Final answer
    x = 150,329.71

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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.