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Finding the Fourth Proportional to 200,660.30, 276,922.53 and 119,036.88

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Solution

The fourth proportional to 200,660.30, 276,922.53 and 119,036.88 is: 164,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,660.30 : 276,922.53 = 119,036.88 : x
  2. Step 2: Convert to fraction form
    200,660.30/276,922.53 = 119,036.88/x
  3. Step 3: Cross multiply
    200,660.30x = 276,922.53 × 119,036.88
  4. Step 4: Simplify right side
    200,660.30x = 32,963,995,086.54
  5. Step 5: Solve for x
    x = 32,963,995,086.54/200,660.30
  6. Step 6: Final answer
    x = 164,277.61

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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.