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Finding the Fourth Proportional to 375,955.33, 518,851.16 and 206,222.26

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Solution

The fourth proportional to 375,955.33, 518,851.16 and 206,222.26 is: 284,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,955.33 : 518,851.16 = 206,222.26 : x
  2. Step 2: Convert to fraction form
    375,955.33/518,851.16 = 206,222.26/x
  3. Step 3: Cross multiply
    375,955.33x = 518,851.16 × 206,222.26
  4. Step 4: Simplify right side
    375,955.33x = 106,998,655,193.46
  5. Step 5: Solve for x
    x = 106,998,655,193.46/375,955.33
  6. Step 6: Final answer
    x = 284,604.71

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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.