Home / 376,087.29-518,969.32-206,321.41

Finding the Fourth Proportional to 376,087.29, 518,969.32 and 206,321.41

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Solution

The fourth proportional to 376,087.29, 518,969.32 and 206,321.41 is: 284,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,087.29 : 518,969.32 = 206,321.41 : x
  2. Step 2: Convert to fraction form
    376,087.29/518,969.32 = 206,321.41/x
  3. Step 3: Cross multiply
    376,087.29x = 518,969.32 × 206,321.41
  4. Step 4: Simplify right side
    376,087.29x = 107,074,481,849.14
  5. Step 5: Solve for x
    x = 107,074,481,849.14/376,087.29
  6. Step 6: Final answer
    x = 284,706.46

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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.