Home / 306,910.37-459,579.51-256,183.27

Finding the Fourth Proportional to 306,910.37, 459,579.51 and 256,183.27

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Solution

The fourth proportional to 306,910.37, 459,579.51 and 256,183.27 is: 383,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,910.37 : 459,579.51 = 256,183.27 : x
  2. Step 2: Convert to fraction form
    306,910.37/459,579.51 = 256,183.27/x
  3. Step 3: Cross multiply
    306,910.37x = 459,579.51 × 256,183.27
  4. Step 4: Simplify right side
    306,910.37x = 117,736,581,696.80
  5. Step 5: Solve for x
    x = 117,736,581,696.80/306,910.37
  6. Step 6: Final answer
    x = 383,618.78

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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.