Home / 276,631.80-414,947.70-136,372.20

Finding the Fourth Proportional to 276,631.80, 414,947.70 and 136,372.20

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Solution

The fourth proportional to 276,631.80, 414,947.70 and 136,372.20 is: 204,558.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,631.80 : 414,947.70 = 136,372.20 : x
  2. Step 2: Convert to fraction form
    276,631.80/414,947.70 = 136,372.20/x
  3. Step 3: Cross multiply
    276,631.80x = 414,947.70 × 136,372.20
  4. Step 4: Simplify right side
    276,631.80x = 56,587,330,733.94
  5. Step 5: Solve for x
    x = 56,587,330,733.94/276,631.80
  6. Step 6: Final answer
    x = 204,558.30

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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.