Home / 376,631.06-519,758.25-206,874.50

Finding the Fourth Proportional to 376,631.06, 519,758.25 and 206,874.50

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Solution

The fourth proportional to 376,631.06, 519,758.25 and 206,874.50 is: 285,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,631.06 : 519,758.25 = 206,874.50 : x
  2. Step 2: Convert to fraction form
    376,631.06/519,758.25 = 206,874.50/x
  3. Step 3: Cross multiply
    376,631.06x = 519,758.25 × 206,874.50
  4. Step 4: Simplify right side
    376,631.06x = 107,524,728,089.63
  5. Step 5: Solve for x
    x = 107,524,728,089.63/376,631.06
  6. Step 6: Final answer
    x = 285,490.87

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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.