Home / 225,834.05-311,601.25-130,320.47

Finding the Fourth Proportional to 225,834.05, 311,601.25 and 130,320.47

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Solution

The fourth proportional to 225,834.05, 311,601.25 and 130,320.47 is: 179,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,834.05 : 311,601.25 = 130,320.47 : x
  2. Step 2: Convert to fraction form
    225,834.05/311,601.25 = 130,320.47/x
  3. Step 3: Cross multiply
    225,834.05x = 311,601.25 × 130,320.47
  4. Step 4: Simplify right side
    225,834.05x = 40,608,021,352.59
  5. Step 5: Solve for x
    x = 40,608,021,352.59/225,834.05
  6. Step 6: Final answer
    x = 179,813.55

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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.