Home / 481,475.82-664,382.58-266,561.94

Finding the Fourth Proportional to 481,475.82, 664,382.58 and 266,561.94

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Solution

The fourth proportional to 481,475.82, 664,382.58 and 266,561.94 is: 367,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,475.82 : 664,382.58 = 266,561.94 : x
  2. Step 2: Convert to fraction form
    481,475.82/664,382.58 = 266,561.94/x
  3. Step 3: Cross multiply
    481,475.82x = 664,382.58 × 266,561.94
  4. Step 4: Simplify right side
    481,475.82x = 177,099,109,427.01
  5. Step 5: Solve for x
    x = 177,099,109,427.01/481,475.82
  6. Step 6: Final answer
    x = 367,825.55

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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.