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Finding the Fourth Proportional to 200,371.36, 276,500.22 and 109,728.40

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Solution

The fourth proportional to 200,371.36, 276,500.22 and 109,728.40 is: 151,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,371.36 : 276,500.22 = 109,728.40 : x
  2. Step 2: Convert to fraction form
    200,371.36/276,500.22 = 109,728.40/x
  3. Step 3: Cross multiply
    200,371.36x = 276,500.22 × 109,728.40
  4. Step 4: Simplify right side
    200,371.36x = 30,339,926,740.25
  5. Step 5: Solve for x
    x = 30,339,926,740.25/200,371.36
  6. Step 6: Final answer
    x = 151,418.48

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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.