Home / 274,286.48-378,527.84-166,838.36

Finding the Fourth Proportional to 274,286.48, 378,527.84 and 166,838.36

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Solution

The fourth proportional to 274,286.48, 378,527.84 and 166,838.36 is: 230,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,286.48 : 378,527.84 = 166,838.36 : x
  2. Step 2: Convert to fraction form
    274,286.48/378,527.84 = 166,838.36/x
  3. Step 3: Cross multiply
    274,286.48x = 378,527.84 × 166,838.36
  4. Step 4: Simplify right side
    274,286.48x = 63,152,964,039.94
  5. Step 5: Solve for x
    x = 63,152,964,039.94/274,286.48
  6. Step 6: Final answer
    x = 230,244.54

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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.