Home / 276,629.80-414,944.70-136,370.20

Finding the Fourth Proportional to 276,629.80, 414,944.70 and 136,370.20

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Solution

The fourth proportional to 276,629.80, 414,944.70 and 136,370.20 is: 204,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,629.80 : 414,944.70 = 136,370.20 : x
  2. Step 2: Convert to fraction form
    276,629.80/414,944.70 = 136,370.20/x
  3. Step 3: Cross multiply
    276,629.80x = 414,944.70 × 136,370.20
  4. Step 4: Simplify right side
    276,629.80x = 56,586,091,727.94
  5. Step 5: Solve for x
    x = 56,586,091,727.94/276,629.80
  6. Step 6: Final answer
    x = 204,555.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.