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Finding the Fourth Proportional to 400,250.20, 600,515.94 and 250,320.28

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Solution

The fourth proportional to 400,250.20, 600,515.94 and 250,320.28 is: 375,568.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,250.20 : 600,515.94 = 250,320.28 : x
  2. Step 2: Convert to fraction form
    400,250.20/600,515.94 = 250,320.28/x
  3. Step 3: Cross multiply
    400,250.20x = 600,515.94 × 250,320.28
  4. Step 4: Simplify right side
    400,250.20x = 150,321,318,245.26
  5. Step 5: Solve for x
    x = 150,321,318,245.26/400,250.20
  6. Step 6: Final answer
    x = 375,568.38

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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.