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Finding the Fourth Proportional to 227,573, 341,375.91 and 87,331.63

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Solution

The fourth proportional to 227,573, 341,375.91 and 87,331.63 is: 131,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,573 : 341,375.91 = 87,331.63 : x
  2. Step 2: Convert to fraction form
    227,573/341,375.91 = 87,331.63/x
  3. Step 3: Cross multiply
    227,573x = 341,375.91 × 87,331.63
  4. Step 4: Simplify right side
    227,573x = 29,812,914,663.03
  5. Step 5: Solve for x
    x = 29,812,914,663.03/227,573
  6. Step 6: Final answer
    x = 131,003.74

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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.