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Finding the Fourth Proportional to 200,799, 301,137.06 and 67,643.54

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Solution

The fourth proportional to 200,799, 301,137.06 and 67,643.54 is: 101,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,799 : 301,137.06 = 67,643.54 : x
  2. Step 2: Convert to fraction form
    200,799/301,137.06 = 67,643.54/x
  3. Step 3: Cross multiply
    200,799x = 301,137.06 × 67,643.54
  4. Step 4: Simplify right side
    200,799x = 20,369,976,763.59
  5. Step 5: Solve for x
    x = 20,369,976,763.59/200,799
  6. Step 6: Final answer
    x = 101,444.61

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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.