Home / 376,742.46-519,903.99-206,976.72

Finding the Fourth Proportional to 376,742.46, 519,903.99 and 206,976.72

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Solution

The fourth proportional to 376,742.46, 519,903.99 and 206,976.72 is: 285,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,742.46 : 519,903.99 = 206,976.72 : x
  2. Step 2: Convert to fraction form
    376,742.46/519,903.99 = 206,976.72/x
  3. Step 3: Cross multiply
    376,742.46x = 519,903.99 × 206,976.72
  4. Step 4: Simplify right side
    376,742.46x = 107,608,022,565.11
  5. Step 5: Solve for x
    x = 107,608,022,565.11/376,742.46
  6. Step 6: Final answer
    x = 285,627.54

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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.