Home / 276,944.32-382,183.28-149,619.68

Finding the Fourth Proportional to 276,944.32, 382,183.28 and 149,619.68

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Solution

The fourth proportional to 276,944.32, 382,183.28 and 149,619.68 is: 206,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,944.32 : 382,183.28 = 149,619.68 : x
  2. Step 2: Convert to fraction form
    276,944.32/382,183.28 = 149,619.68/x
  3. Step 3: Cross multiply
    276,944.32x = 382,183.28 × 149,619.68
  4. Step 4: Simplify right side
    276,944.32x = 57,182,140,054.95
  5. Step 5: Solve for x
    x = 57,182,140,054.95/276,944.32
  6. Step 6: Final answer
    x = 206,475.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.