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Finding the Fourth Proportional to 276,046.20, 414,069.30 and 265,159.80

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Solution

The fourth proportional to 276,046.20, 414,069.30 and 265,159.80 is: 397,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.20 : 414,069.30 = 265,159.80 : x
  2. Step 2: Convert to fraction form
    276,046.20/414,069.30 = 265,159.80/x
  3. Step 3: Cross multiply
    276,046.20x = 414,069.30 × 265,159.80
  4. Step 4: Simplify right side
    276,046.20x = 109,794,532,774.14
  5. Step 5: Solve for x
    x = 109,794,532,774.14/276,046.20
  6. Step 6: Final answer
    x = 397,739.70

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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.