Home / 481,732.20-664,831.26-266,939.64

Finding the Fourth Proportional to 481,732.20, 664,831.26 and 266,939.64

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Solution

The fourth proportional to 481,732.20, 664,831.26 and 266,939.64 is: 368,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,732.20 : 664,831.26 = 266,939.64 : x
  2. Step 2: Convert to fraction form
    481,732.20/664,831.26 = 266,939.64/x
  3. Step 3: Cross multiply
    481,732.20x = 664,831.26 × 266,939.64
  4. Step 4: Simplify right side
    481,732.20x = 177,469,817,205.15
  5. Step 5: Solve for x
    x = 177,469,817,205.15/481,732.20
  6. Step 6: Final answer
    x = 368,399.32

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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.