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Finding the Fourth Proportional to 481,237.68, 664,013.88 and 302,286

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Solution

The fourth proportional to 481,237.68, 664,013.88 and 302,286 is: 417,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,237.68 : 664,013.88 = 302,286 : x
  2. Step 2: Convert to fraction form
    481,237.68/664,013.88 = 302,286/x
  3. Step 3: Cross multiply
    481,237.68x = 664,013.88 × 302,286
  4. Step 4: Simplify right side
    481,237.68x = 200,722,099,729.68
  5. Step 5: Solve for x
    x = 200,722,099,729.68/481,237.68
  6. Step 6: Final answer
    x = 417,095.56

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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.