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Finding the Fourth Proportional to 228,162, 340,571.82 and 201,228.12

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Solution

The fourth proportional to 228,162, 340,571.82 and 201,228.12 is: 300,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,162 : 340,571.82 = 201,228.12 : x
  2. Step 2: Convert to fraction form
    228,162/340,571.82 = 201,228.12/x
  3. Step 3: Cross multiply
    228,162x = 340,571.82 × 201,228.12
  4. Step 4: Simplify right side
    228,162x = 68,532,627,063.58
  5. Step 5: Solve for x
    x = 68,532,627,063.58/228,162
  6. Step 6: Final answer
    x = 300,368.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.