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Finding the Fourth Proportional to 293,119.02, 404,489.97 and 165,791.88

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Solution

The fourth proportional to 293,119.02, 404,489.97 and 165,791.88 is: 228,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,119.02 : 404,489.97 = 165,791.88 : x
  2. Step 2: Convert to fraction form
    293,119.02/404,489.97 = 165,791.88/x
  3. Step 3: Cross multiply
    293,119.02x = 404,489.97 × 165,791.88
  4. Step 4: Simplify right side
    293,119.02x = 67,061,152,567.44
  5. Step 5: Solve for x
    x = 67,061,152,567.44/293,119.02
  6. Step 6: Final answer
    x = 228,784.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.