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Finding the Fourth Proportional to 483,391.16, 667,057.16 and 268,544.33

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Solution

The fourth proportional to 483,391.16, 667,057.16 and 268,544.33 is: 370,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,391.16 : 667,057.16 = 268,544.33 : x
  2. Step 2: Convert to fraction form
    483,391.16/667,057.16 = 268,544.33/x
  3. Step 3: Cross multiply
    483,391.16x = 667,057.16 × 268,544.33
  4. Step 4: Simplify right side
    483,391.16x = 179,134,415,439.98
  5. Step 5: Solve for x
    x = 179,134,415,439.98/483,391.16
  6. Step 6: Final answer
    x = 370,578.60

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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.