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Finding the Fourth Proportional to 276,114.30, 414,171.45 and 271,448.70

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Solution

The fourth proportional to 276,114.30, 414,171.45 and 271,448.70 is: 407,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,114.30 : 414,171.45 = 271,448.70 : x
  2. Step 2: Convert to fraction form
    276,114.30/414,171.45 = 271,448.70/x
  3. Step 3: Cross multiply
    276,114.30x = 414,171.45 × 271,448.70
  4. Step 4: Simplify right side
    276,114.30x = 112,426,301,679.62
  5. Step 5: Solve for x
    x = 112,426,301,679.62/276,114.30
  6. Step 6: Final answer
    x = 407,173.05

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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.