Home / 276,076.62-414,124.18-76,380.30

Finding the Fourth Proportional to 276,076.62, 414,124.18 and 76,380.30

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Solution

The fourth proportional to 276,076.62, 414,124.18 and 76,380.30 is: 114,573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,076.62 : 414,124.18 = 76,380.30 : x
  2. Step 2: Convert to fraction form
    276,076.62/414,124.18 = 76,380.30/x
  3. Step 3: Cross multiply
    276,076.62x = 414,124.18 × 76,380.30
  4. Step 4: Simplify right side
    276,076.62x = 31,630,928,914.70
  5. Step 5: Solve for x
    x = 31,630,928,914.70/276,076.62
  6. Step 6: Final answer
    x = 114,573.01

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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.