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Finding the Fourth Proportional to 444,580.78, 613,521.41 and 240,631.65

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Solution

The fourth proportional to 444,580.78, 613,521.41 and 240,631.65 is: 332,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,580.78 : 613,521.41 = 240,631.65 : x
  2. Step 2: Convert to fraction form
    444,580.78/613,521.41 = 240,631.65/x
  3. Step 3: Cross multiply
    444,580.78x = 613,521.41 × 240,631.65
  4. Step 4: Simplify right side
    444,580.78x = 147,632,669,198.63
  5. Step 5: Solve for x
    x = 147,632,669,198.63/444,580.78
  6. Step 6: Final answer
    x = 332,071.64

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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.