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Finding the Fourth Proportional to 269,992.08, 405,404.28 and 228,418.48

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Solution

The fourth proportional to 269,992.08, 405,404.28 and 228,418.48 is: 342,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,992.08 : 405,404.28 = 228,418.48 : x
  2. Step 2: Convert to fraction form
    269,992.08/405,404.28 = 228,418.48/x
  3. Step 3: Cross multiply
    269,992.08x = 405,404.28 × 228,418.48
  4. Step 4: Simplify right side
    269,992.08x = 92,601,829,423.09
  5. Step 5: Solve for x
    x = 92,601,829,423.09/269,992.08
  6. Step 6: Final answer
    x = 342,979.80

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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.