Home / 312,240.92-468,362.58-75,583.22

Finding the Fourth Proportional to 312,240.92, 468,362.58 and 75,583.22

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Solution

The fourth proportional to 312,240.92, 468,362.58 and 75,583.22 is: 113,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,240.92 : 468,362.58 = 75,583.22 : x
  2. Step 2: Convert to fraction form
    312,240.92/468,362.58 = 75,583.22/x
  3. Step 3: Cross multiply
    312,240.92x = 468,362.58 × 75,583.22
  4. Step 4: Simplify right side
    312,240.92x = 35,400,351,923.91
  5. Step 5: Solve for x
    x = 35,400,351,923.91/312,240.92
  6. Step 6: Final answer
    x = 113,375.12

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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.