Home / 376,719.18-519,870.33-206,949.66

Finding the Fourth Proportional to 376,719.18, 519,870.33 and 206,949.66

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Solution

The fourth proportional to 376,719.18, 519,870.33 and 206,949.66 is: 285,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,719.18 : 519,870.33 = 206,949.66 : x
  2. Step 2: Convert to fraction form
    376,719.18/519,870.33 = 206,949.66/x
  3. Step 3: Cross multiply
    376,719.18x = 519,870.33 × 206,949.66
  4. Step 4: Simplify right side
    376,719.18x = 107,586,988,037.59
  5. Step 5: Solve for x
    x = 107,586,988,037.59/376,719.18
  6. Step 6: Final answer
    x = 285,589.36

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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.