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Finding the Fourth Proportional to 200,550.33, 276,759.48 and 109,905.46

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Solution

The fourth proportional to 200,550.33, 276,759.48 and 109,905.46 is: 151,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,550.33 : 276,759.48 = 109,905.46 : x
  2. Step 2: Convert to fraction form
    200,550.33/276,759.48 = 109,905.46/x
  3. Step 3: Cross multiply
    200,550.33x = 276,759.48 × 109,905.46
  4. Step 4: Simplify right side
    200,550.33x = 30,417,377,679.01
  5. Step 5: Solve for x
    x = 30,417,377,679.01/200,550.33
  6. Step 6: Final answer
    x = 151,669.55

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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.