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Finding the Fourth Proportional to 200,336.88, 276,463.88 and 109,691.20

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Solution

The fourth proportional to 200,336.88, 276,463.88 and 109,691.20 is: 151,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,336.88 : 276,463.88 = 109,691.20 : x
  2. Step 2: Convert to fraction form
    200,336.88/276,463.88 = 109,691.20/x
  3. Step 3: Cross multiply
    200,336.88x = 276,463.88 × 109,691.20
  4. Step 4: Simplify right side
    200,336.88x = 30,325,653,371.54
  5. Step 5: Solve for x
    x = 30,325,653,371.54/200,336.88
  6. Step 6: Final answer
    x = 151,373.30

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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.