Home / 274,824.29-379,252.89-153,965.18

Finding the Fourth Proportional to 274,824.29, 379,252.89 and 153,965.18

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Solution

The fourth proportional to 274,824.29, 379,252.89 and 153,965.18 is: 212,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,824.29 : 379,252.89 = 153,965.18 : x
  2. Step 2: Convert to fraction form
    274,824.29/379,252.89 = 153,965.18/x
  3. Step 3: Cross multiply
    274,824.29x = 379,252.89 × 153,965.18
  4. Step 4: Simplify right side
    274,824.29x = 58,391,737,578.11
  5. Step 5: Solve for x
    x = 58,391,737,578.11/274,824.29
  6. Step 6: Final answer
    x = 212,469.35

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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.