Home / 276,064.20-414,096.30-268,288.20

Finding the Fourth Proportional to 276,064.20, 414,096.30 and 268,288.20

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Solution

The fourth proportional to 276,064.20, 414,096.30 and 268,288.20 is: 402,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,064.20 : 414,096.30 = 268,288.20 : x
  2. Step 2: Convert to fraction form
    276,064.20/414,096.30 = 268,288.20/x
  3. Step 3: Cross multiply
    276,064.20x = 414,096.30 × 268,288.20
  4. Step 4: Simplify right side
    276,064.20x = 111,097,150,953.66
  5. Step 5: Solve for x
    x = 111,097,150,953.66/276,064.20
  6. Step 6: Final answer
    x = 402,432.30

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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.