Home / 312,631.92-468,947.88-75,974.76

Finding the Fourth Proportional to 312,631.92, 468,947.88 and 75,974.76

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Solution

The fourth proportional to 312,631.92, 468,947.88 and 75,974.76 is: 113,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,631.92 : 468,947.88 = 75,974.76 : x
  2. Step 2: Convert to fraction form
    312,631.92/468,947.88 = 75,974.76/x
  3. Step 3: Cross multiply
    312,631.92x = 468,947.88 × 75,974.76
  4. Step 4: Simplify right side
    312,631.92x = 35,628,202,635.51
  5. Step 5: Solve for x
    x = 35,628,202,635.51/312,631.92
  6. Step 6: Final answer
    x = 113,962.14

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Double scale
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Similar ratio
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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.