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Finding the Fourth Proportional to 276,588.54, 414,176.79 and 220,510.44

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Solution

The fourth proportional to 276,588.54, 414,176.79 and 220,510.44 is: 330,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,588.54 : 414,176.79 = 220,510.44 : x
  2. Step 2: Convert to fraction form
    276,588.54/414,176.79 = 220,510.44/x
  3. Step 3: Cross multiply
    276,588.54x = 414,176.79 × 220,510.44
  4. Step 4: Simplify right side
    276,588.54x = 91,330,306,200.69
  5. Step 5: Solve for x
    x = 91,330,306,200.69/276,588.54
  6. Step 6: Final answer
    x = 330,202.78

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1.5x scale

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.