Home / 307,183.62-423,906.14-178,145.15

Finding the Fourth Proportional to 307,183.62, 423,906.14 and 178,145.15

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Solution

The fourth proportional to 307,183.62, 423,906.14 and 178,145.15 is: 245,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,183.62 : 423,906.14 = 178,145.15 : x
  2. Step 2: Convert to fraction form
    307,183.62/423,906.14 = 178,145.15/x
  3. Step 3: Cross multiply
    307,183.62x = 423,906.14 × 178,145.15
  4. Step 4: Simplify right side
    307,183.62x = 75,516,819,885.96
  5. Step 5: Solve for x
    x = 75,516,819,885.96/307,183.62
  6. Step 6: Final answer
    x = 245,836.09

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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.