Home / 274,974.49-379,426.30-154,106.29

Finding the Fourth Proportional to 274,974.49, 379,426.30 and 154,106.29

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Solution

The fourth proportional to 274,974.49, 379,426.30 and 154,106.29 is: 212,645.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,974.49 : 379,426.30 = 154,106.29 : x
  2. Step 2: Convert to fraction form
    274,974.49/379,426.30 = 154,106.29/x
  3. Step 3: Cross multiply
    274,974.49x = 379,426.30 × 154,106.29
  4. Step 4: Simplify right side
    274,974.49x = 58,471,979,421.43
  5. Step 5: Solve for x
    x = 58,471,979,421.43/274,974.49
  6. Step 6: Final answer
    x = 212,645.11

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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.