Home / 481,448.91-664,391.38-266,584.36

Finding the Fourth Proportional to 481,448.91, 664,391.38 and 266,584.36

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Solution

The fourth proportional to 481,448.91, 664,391.38 and 266,584.36 is: 367,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,448.91 : 664,391.38 = 266,584.36 : x
  2. Step 2: Convert to fraction form
    481,448.91/664,391.38 = 266,584.36/x
  3. Step 3: Cross multiply
    481,448.91x = 664,391.38 × 266,584.36
  4. Step 4: Simplify right side
    481,448.91x = 177,116,351,741.58
  5. Step 5: Solve for x
    x = 177,116,351,741.58/481,448.91
  6. Step 6: Final answer
    x = 367,881.93

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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.