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Finding the Fourth Proportional to 338,960.43, 508,606.49 and 136,548.11

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Solution

The fourth proportional to 338,960.43, 508,606.49 and 136,548.11 is: 204,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,960.43 : 508,606.49 = 136,548.11 : x
  2. Step 2: Convert to fraction form
    338,960.43/508,606.49 = 136,548.11/x
  3. Step 3: Cross multiply
    338,960.43x = 508,606.49 × 136,548.11
  4. Step 4: Simplify right side
    338,960.43x = 69,449,256,556.12
  5. Step 5: Solve for x
    x = 69,449,256,556.12/338,960.43
  6. Step 6: Final answer
    x = 204,888.98

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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.