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Finding the Fourth Proportional to 323,258.13, 445,975.61 and 322,759.71

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Solution

The fourth proportional to 323,258.13, 445,975.61 and 322,759.71 is: 445,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,258.13 : 445,975.61 = 322,759.71 : x
  2. Step 2: Convert to fraction form
    323,258.13/445,975.61 = 322,759.71/x
  3. Step 3: Cross multiply
    323,258.13x = 445,975.61 × 322,759.71
  4. Step 4: Simplify right side
    323,258.13x = 143,942,956,936.88
  5. Step 5: Solve for x
    x = 143,942,956,936.88/323,258.13
  6. Step 6: Final answer
    x = 445,287.97

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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.