Home / 274,973.49-379,424.93-154,105.29

Finding the Fourth Proportional to 274,973.49, 379,424.93 and 154,105.29

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Solution

The fourth proportional to 274,973.49, 379,424.93 and 154,105.29 is: 212,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,973.49 : 379,424.93 = 154,105.29 : x
  2. Step 2: Convert to fraction form
    274,973.49/379,424.93 = 154,105.29/x
  3. Step 3: Cross multiply
    274,973.49x = 379,424.93 × 154,105.29
  4. Step 4: Simplify right side
    274,973.49x = 58,471,388,100.35
  5. Step 5: Solve for x
    x = 58,471,388,100.35/274,973.49
  6. Step 6: Final answer
    x = 212,643.73

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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.