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Finding the Fourth Proportional to 444,592.78, 613,537.96 and 240,643.64

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Solution

The fourth proportional to 444,592.78, 613,537.96 and 240,643.64 is: 332,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,592.78 : 613,537.96 = 240,643.64 : x
  2. Step 2: Convert to fraction form
    444,592.78/613,537.96 = 240,643.64/x
  3. Step 3: Cross multiply
    444,592.78x = 613,537.96 × 240,643.64
  4. Step 4: Simplify right side
    444,592.78x = 147,644,007,972.57
  5. Step 5: Solve for x
    x = 147,644,007,972.57/444,592.78
  6. Step 6: Final answer
    x = 332,088.18

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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.