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Finding the Fourth Proportional to 481,660.32, 722,934 and 245,172

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Solution

The fourth proportional to 481,660.32, 722,934 and 245,172 is: 367,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,660.32 : 722,934 = 245,172 : x
  2. Step 2: Convert to fraction form
    481,660.32/722,934 = 245,172/x
  3. Step 3: Cross multiply
    481,660.32x = 722,934 × 245,172
  4. Step 4: Simplify right side
    481,660.32x = 177,243,174,648
  5. Step 5: Solve for x
    x = 177,243,174,648/481,660.32
  6. Step 6: Final answer
    x = 367,983.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.