Home / 274,933.34-379,412.60-154,101.58

Finding the Fourth Proportional to 274,933.34, 379,412.60 and 154,101.58

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Solution

The fourth proportional to 274,933.34, 379,412.60 and 154,101.58 is: 212,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,933.34 : 379,412.60 = 154,101.58 : x
  2. Step 2: Convert to fraction form
    274,933.34/379,412.60 = 154,101.58/x
  3. Step 3: Cross multiply
    274,933.34x = 379,412.60 × 154,101.58
  4. Step 4: Simplify right side
    274,933.34x = 58,468,081,131.91
  5. Step 5: Solve for x
    x = 58,468,081,131.91/274,933.34
  6. Step 6: Final answer
    x = 212,662.75

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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.