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Finding the Fourth Proportional to 240,161.82, 360,250.02 and 82,388

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Solution

The fourth proportional to 240,161.82, 360,250.02 and 82,388 is: 123,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,161.82 : 360,250.02 = 82,388 : x
  2. Step 2: Convert to fraction form
    240,161.82/360,250.02 = 82,388/x
  3. Step 3: Cross multiply
    240,161.82x = 360,250.02 × 82,388
  4. Step 4: Simplify right side
    240,161.82x = 29,680,278,647.76
  5. Step 5: Solve for x
    x = 29,680,278,647.76/240,161.82
  6. Step 6: Final answer
    x = 123,584.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.