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Finding the Fourth Proportional to 227,669.26, 341,520.40 and 87,427.90

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Solution

The fourth proportional to 227,669.26, 341,520.40 and 87,427.90 is: 131,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,669.26 : 341,520.40 = 87,427.90 : x
  2. Step 2: Convert to fraction form
    227,669.26/341,520.40 = 87,427.90/x
  3. Step 3: Cross multiply
    227,669.26x = 341,520.40 × 87,427.90
  4. Step 4: Simplify right side
    227,669.26x = 29,858,411,379.16
  5. Step 5: Solve for x
    x = 29,858,411,379.16/227,669.26
  6. Step 6: Final answer
    x = 131,148.19

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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.