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Finding the Fourth Proportional to 376,386.37, 519,414.39 and 204,304.48

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Solution

The fourth proportional to 376,386.37, 519,414.39 and 204,304.48 is: 281,940.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,386.37 : 519,414.39 = 204,304.48 : x
  2. Step 2: Convert to fraction form
    376,386.37/519,414.39 = 204,304.48/x
  3. Step 3: Cross multiply
    376,386.37x = 519,414.39 × 204,304.48
  4. Step 4: Simplify right side
    376,386.37x = 106,118,685,554.93
  5. Step 5: Solve for x
    x = 106,118,685,554.93/376,386.37
  6. Step 6: Final answer
    x = 281,940.83

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1.5x scale

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.