Home / 311,899.28-468,171.94-192,042.56

Finding the Fourth Proportional to 311,899.28, 468,171.94 and 192,042.56

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Solution

The fourth proportional to 311,899.28, 468,171.94 and 192,042.56 is: 288,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,899.28 : 468,171.94 = 192,042.56 : x
  2. Step 2: Convert to fraction form
    311,899.28/468,171.94 = 192,042.56/x
  3. Step 3: Cross multiply
    311,899.28x = 468,171.94 × 192,042.56
  4. Step 4: Simplify right side
    311,899.28x = 89,908,937,877.77
  5. Step 5: Solve for x
    x = 89,908,937,877.77/311,899.28
  6. Step 6: Final answer
    x = 288,262.73

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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.