Home / 274,630.18-411,795.09-218,067.42

Finding the Fourth Proportional to 274,630.18, 411,795.09 and 218,067.42

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Solution

The fourth proportional to 274,630.18, 411,795.09 and 218,067.42 is: 326,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,630.18 : 411,795.09 = 218,067.42 : x
  2. Step 2: Convert to fraction form
    274,630.18/411,795.09 = 218,067.42/x
  3. Step 3: Cross multiply
    274,630.18x = 411,795.09 × 218,067.42
  4. Step 4: Simplify right side
    274,630.18x = 89,799,092,844.97
  5. Step 5: Solve for x
    x = 89,799,092,844.97/274,630.18
  6. Step 6: Final answer
    x = 326,981.89

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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.