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Finding the Fourth Proportional to 311,183.40, 466,832.70 and 100,828.20

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Solution

The fourth proportional to 311,183.40, 466,832.70 and 100,828.20 is: 151,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,183.40 : 466,832.70 = 100,828.20 : x
  2. Step 2: Convert to fraction form
    311,183.40/466,832.70 = 100,828.20/x
  3. Step 3: Cross multiply
    311,183.40x = 466,832.70 × 100,828.20
  4. Step 4: Simplify right side
    311,183.40x = 47,069,900,842.14
  5. Step 5: Solve for x
    x = 47,069,900,842.14/311,183.40
  6. Step 6: Final answer
    x = 151,260.96

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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.