Home / 303,993.03-419,568.35-200,445.15

Finding the Fourth Proportional to 303,993.03, 419,568.35 and 200,445.15

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Solution

The fourth proportional to 303,993.03, 419,568.35 and 200,445.15 is: 276,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,993.03 : 419,568.35 = 200,445.15 : x
  2. Step 2: Convert to fraction form
    303,993.03/419,568.35 = 200,445.15/x
  3. Step 3: Cross multiply
    303,993.03x = 419,568.35 × 200,445.15
  4. Step 4: Simplify right side
    303,993.03x = 84,100,439,848.78
  5. Step 5: Solve for x
    x = 84,100,439,848.78/303,993.03
  6. Step 6: Final answer
    x = 276,652.53

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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.