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Finding the Fourth Proportional to 226,049.82, 311,946.39 and 125,448.54

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Solution

The fourth proportional to 226,049.82, 311,946.39 and 125,448.54 is: 173,117.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,049.82 : 311,946.39 = 125,448.54 : x
  2. Step 2: Convert to fraction form
    226,049.82/311,946.39 = 125,448.54/x
  3. Step 3: Cross multiply
    226,049.82x = 311,946.39 × 125,448.54
  4. Step 4: Simplify right side
    226,049.82x = 39,133,219,183.77
  5. Step 5: Solve for x
    x = 39,133,219,183.77/226,049.82
  6. Step 6: Final answer
    x = 173,117.67

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1.5x scale

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.