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Finding the Fourth Proportional to 276,039.80, 414,059.70 and 231,753.05

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Solution

The fourth proportional to 276,039.80, 414,059.70 and 231,753.05 is: 347,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,039.80 : 414,059.70 = 231,753.05 : x
  2. Step 2: Convert to fraction form
    276,039.80/414,059.70 = 231,753.05/x
  3. Step 3: Cross multiply
    276,039.80x = 414,059.70 × 231,753.05
  4. Step 4: Simplify right side
    276,039.80x = 95,959,598,357.09
  5. Step 5: Solve for x
    x = 95,959,598,357.09/276,039.80
  6. Step 6: Final answer
    x = 347,629.58

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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.