Home / 311,977.92-468,049.86-98,749.92

Finding the Fourth Proportional to 311,977.92, 468,049.86 and 98,749.92

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Solution

The fourth proportional to 311,977.92, 468,049.86 and 98,749.92 is: 148,151.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,977.92 : 468,049.86 = 98,749.92 : x
  2. Step 2: Convert to fraction form
    311,977.92/468,049.86 = 98,749.92/x
  3. Step 3: Cross multiply
    311,977.92x = 468,049.86 × 98,749.92
  4. Step 4: Simplify right side
    311,977.92x = 46,219,886,231.01
  5. Step 5: Solve for x
    x = 46,219,886,231.01/311,977.92
  6. Step 6: Final answer
    x = 148,151.15

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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.