Home / 200,272.50-276,376.47-109,634.28

Finding the Fourth Proportional to 200,272.50, 276,376.47 and 109,634.28

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Solution

The fourth proportional to 200,272.50, 276,376.47 and 109,634.28 is: 151,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,272.50 : 276,376.47 = 109,634.28 : x
  2. Step 2: Convert to fraction form
    200,272.50/276,376.47 = 109,634.28/x
  3. Step 3: Cross multiply
    200,272.50x = 276,376.47 × 109,634.28
  4. Step 4: Simplify right side
    200,272.50x = 30,300,335,297.39
  5. Step 5: Solve for x
    x = 30,300,335,297.39/200,272.50
  6. Step 6: Final answer
    x = 151,295.54

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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.