Home / 376,632.72-519,739.20-206,856.72

Finding the Fourth Proportional to 376,632.72, 519,739.20 and 206,856.72

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Solution

The fourth proportional to 376,632.72, 519,739.20 and 206,856.72 is: 285,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,632.72 : 519,739.20 = 206,856.72 : x
  2. Step 2: Convert to fraction form
    376,632.72/519,739.20 = 206,856.72/x
  3. Step 3: Cross multiply
    376,632.72x = 519,739.20 × 206,856.72
  4. Step 4: Simplify right side
    376,632.72x = 107,511,546,167.42
  5. Step 5: Solve for x
    x = 107,511,546,167.42/376,632.72
  6. Step 6: Final answer
    x = 285,454.61

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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.