Home / 481,721.62-723,245.82-245,229.16

Finding the Fourth Proportional to 481,721.62, 723,245.82 and 245,229.16

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Solution

The fourth proportional to 481,721.62, 723,245.82 and 245,229.16 is: 368,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,721.62 : 723,245.82 = 245,229.16 : x
  2. Step 2: Convert to fraction form
    481,721.62/723,245.82 = 245,229.16/x
  3. Step 3: Cross multiply
    481,721.62x = 723,245.82 × 245,229.16
  4. Step 4: Simplify right side
    481,721.62x = 177,360,964,912.11
  5. Step 5: Solve for x
    x = 177,360,964,912.11/481,721.62
  6. Step 6: Final answer
    x = 368,181.45

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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.