Home / 274,976.24-379,428.72-154,108.04

Finding the Fourth Proportional to 274,976.24, 379,428.72 and 154,108.04

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Solution

The fourth proportional to 274,976.24, 379,428.72 and 154,108.04 is: 212,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,976.24 : 379,428.72 = 154,108.04 : x
  2. Step 2: Convert to fraction form
    274,976.24/379,428.72 = 154,108.04/x
  3. Step 3: Cross multiply
    274,976.24x = 379,428.72 × 154,108.04
  4. Step 4: Simplify right side
    274,976.24x = 58,473,016,358.91
  5. Step 5: Solve for x
    x = 58,473,016,358.91/274,976.24
  6. Step 6: Final answer
    x = 212,647.52

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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.