Home / 376,727.50-519,884.15-206,972.56

Finding the Fourth Proportional to 376,727.50, 519,884.15 and 206,972.56

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Solution

The fourth proportional to 376,727.50, 519,884.15 and 206,972.56 is: 285,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,727.50 : 519,884.15 = 206,972.56 : x
  2. Step 2: Convert to fraction form
    376,727.50/519,884.15 = 206,972.56/x
  3. Step 3: Cross multiply
    376,727.50x = 519,884.15 × 206,972.56
  4. Step 4: Simplify right side
    376,727.50x = 107,601,753,428.92
  5. Step 5: Solve for x
    x = 107,601,753,428.92/376,727.50
  6. Step 6: Final answer
    x = 285,622.24

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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.