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Finding the Fourth Proportional to 481,395.44, 664,279.62 and 266,527.64

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Solution

The fourth proportional to 481,395.44, 664,279.62 and 266,527.64 is: 367,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,395.44 : 664,279.62 = 266,527.64 : x
  2. Step 2: Convert to fraction form
    481,395.44/664,279.62 = 266,527.64/x
  3. Step 3: Cross multiply
    481,395.44x = 664,279.62 × 266,527.64
  4. Step 4: Simplify right side
    481,395.44x = 177,048,879,418.70
  5. Step 5: Solve for x
    x = 177,048,879,418.70/481,395.44
  6. Step 6: Final answer
    x = 367,782.63

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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.