Home / 322,977.27-445,708.11-200,424.06

Finding the Fourth Proportional to 322,977.27, 445,708.11 and 200,424.06

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Solution

The fourth proportional to 322,977.27, 445,708.11 and 200,424.06 is: 276,584.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,977.27 : 445,708.11 = 200,424.06 : x
  2. Step 2: Convert to fraction form
    322,977.27/445,708.11 = 200,424.06/x
  3. Step 3: Cross multiply
    322,977.27x = 445,708.11 × 200,424.06
  4. Step 4: Simplify right side
    322,977.27x = 89,330,628,981.13
  5. Step 5: Solve for x
    x = 89,330,628,981.13/322,977.27
  6. Step 6: Final answer
    x = 276,584.88

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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.