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Finding the Fourth Proportional to 311,940.08, 467,910.18 and 87,333.59

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Solution

The fourth proportional to 311,940.08, 467,910.18 and 87,333.59 is: 131,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,940.08 : 467,910.18 = 87,333.59 : x
  2. Step 2: Convert to fraction form
    311,940.08/467,910.18 = 87,333.59/x
  3. Step 3: Cross multiply
    311,940.08x = 467,910.18 × 87,333.59
  4. Step 4: Simplify right side
    311,940.08x = 40,864,276,986.72
  5. Step 5: Solve for x
    x = 40,864,276,986.72/311,940.08
  6. Step 6: Final answer
    x = 131,000.41

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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.