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Finding the Fourth Proportional to 274,218.30, 411,336.56 and 94,301.96

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Solution

The fourth proportional to 274,218.30, 411,336.56 and 94,301.96 is: 141,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,218.30 : 411,336.56 = 94,301.96 : x
  2. Step 2: Convert to fraction form
    274,218.30/411,336.56 = 94,301.96/x
  3. Step 3: Cross multiply
    274,218.30x = 411,336.56 × 94,301.96
  4. Step 4: Simplify right side
    274,218.30x = 38,789,843,827.66
  5. Step 5: Solve for x
    x = 38,789,843,827.66/274,218.30
  6. Step 6: Final answer
    x = 141,456.07

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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.