Home / 274,664.71-379,005.97-153,789.19

Finding the Fourth Proportional to 274,664.71, 379,005.97 and 153,789.19

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Solution

The fourth proportional to 274,664.71, 379,005.97 and 153,789.19 is: 212,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,664.71 : 379,005.97 = 153,789.19 : x
  2. Step 2: Convert to fraction form
    274,664.71/379,005.97 = 153,789.19/x
  3. Step 3: Cross multiply
    274,664.71x = 379,005.97 × 153,789.19
  4. Step 4: Simplify right side
    274,664.71x = 58,287,021,131.46
  5. Step 5: Solve for x
    x = 58,287,021,131.46/274,664.71
  6. Step 6: Final answer
    x = 212,211.54

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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.