Home / 276,621.60-414,932.40-252,127.20

Finding the Fourth Proportional to 276,621.60, 414,932.40 and 252,127.20

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Solution

The fourth proportional to 276,621.60, 414,932.40 and 252,127.20 is: 378,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,621.60 : 414,932.40 = 252,127.20 : x
  2. Step 2: Convert to fraction form
    276,621.60/414,932.40 = 252,127.20/x
  3. Step 3: Cross multiply
    276,621.60x = 414,932.40 × 252,127.20
  4. Step 4: Simplify right side
    276,621.60x = 104,615,744,201.28
  5. Step 5: Solve for x
    x = 104,615,744,201.28/276,621.60
  6. Step 6: Final answer
    x = 378,190.80

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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.