Home / 312,601.34-468,901.92-75,942.38

Finding the Fourth Proportional to 312,601.34, 468,901.92 and 75,942.38

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Solution

The fourth proportional to 312,601.34, 468,901.92 and 75,942.38 is: 113,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,601.34 : 468,901.92 = 75,942.38 : x
  2. Step 2: Convert to fraction form
    312,601.34/468,901.92 = 75,942.38/x
  3. Step 3: Cross multiply
    312,601.34x = 468,901.92 × 75,942.38
  4. Step 4: Simplify right side
    312,601.34x = 35,609,527,791.37
  5. Step 5: Solve for x
    x = 35,609,527,791.37/312,601.34
  6. Step 6: Final answer
    x = 113,913.55

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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.