Home / 481,680.33-664,718.79-266,834.31

Finding the Fourth Proportional to 481,680.33, 664,718.79 and 266,834.31

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Solution

The fourth proportional to 481,680.33, 664,718.79 and 266,834.31 is: 368,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,680.33 : 664,718.79 = 266,834.31 : x
  2. Step 2: Convert to fraction form
    481,680.33/664,718.79 = 266,834.31/x
  3. Step 3: Cross multiply
    481,680.33x = 664,718.79 × 266,834.31
  4. Step 4: Simplify right side
    481,680.33x = 177,369,779,673.69
  5. Step 5: Solve for x
    x = 177,369,779,673.69/481,680.33
  6. Step 6: Final answer
    x = 368,231.31

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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.