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Finding the Fourth Proportional to 633,540.49, 950,109.53 and 206,979.10

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Solution

The fourth proportional to 633,540.49, 950,109.53 and 206,979.10 is: 310,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,540.49 : 950,109.53 = 206,979.10 : x
  2. Step 2: Convert to fraction form
    633,540.49/950,109.53 = 206,979.10/x
  3. Step 3: Cross multiply
    633,540.49x = 950,109.53 × 206,979.10
  4. Step 4: Simplify right side
    633,540.49x = 196,652,809,635.38
  5. Step 5: Solve for x
    x = 196,652,809,635.38/633,540.49
  6. Step 6: Final answer
    x = 310,402.91

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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.