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Finding the Fourth Proportional to 311,377.84, 467,132.37 and 100,999.38

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Solution

The fourth proportional to 311,377.84, 467,132.37 and 100,999.38 is: 151,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,377.84 : 467,132.37 = 100,999.38 : x
  2. Step 2: Convert to fraction form
    311,377.84/467,132.37 = 100,999.38/x
  3. Step 3: Cross multiply
    311,377.84x = 467,132.37 × 100,999.38
  4. Step 4: Simplify right side
    311,377.84x = 47,180,079,747.93
  5. Step 5: Solve for x
    x = 47,180,079,747.93/311,377.84
  6. Step 6: Final answer
    x = 151,520.35

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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.