Home / 274,976.49-379,429.06-154,108.29

Finding the Fourth Proportional to 274,976.49, 379,429.06 and 154,108.29

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Solution

The fourth proportional to 274,976.49, 379,429.06 and 154,108.29 is: 212,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,976.49 : 379,429.06 = 154,108.29 : x
  2. Step 2: Convert to fraction form
    274,976.49/379,429.06 = 154,108.29/x
  3. Step 3: Cross multiply
    274,976.49x = 379,429.06 × 154,108.29
  4. Step 4: Simplify right side
    274,976.49x = 58,473,163,612.91
  5. Step 5: Solve for x
    x = 58,473,163,612.91/274,976.49
  6. Step 6: Final answer
    x = 212,647.87

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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.