Home / 306,356.22-422,709.06-179,007.18

Finding the Fourth Proportional to 306,356.22, 422,709.06 and 179,007.18

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Solution

The fourth proportional to 306,356.22, 422,709.06 and 179,007.18 is: 246,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,356.22 : 422,709.06 = 179,007.18 : x
  2. Step 2: Convert to fraction form
    306,356.22/422,709.06 = 179,007.18/x
  3. Step 3: Cross multiply
    306,356.22x = 422,709.06 × 179,007.18
  4. Step 4: Simplify right side
    306,356.22x = 75,667,956,791.05
  5. Step 5: Solve for x
    x = 75,667,956,791.05/306,356.22
  6. Step 6: Final answer
    x = 246,993.38

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1.5x scale

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.