Home / 274,416.84-378,575.04-161,188.56

Finding the Fourth Proportional to 274,416.84, 378,575.04 and 161,188.56

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Solution

The fourth proportional to 274,416.84, 378,575.04 and 161,188.56 is: 222,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,416.84 : 378,575.04 = 161,188.56 : x
  2. Step 2: Convert to fraction form
    274,416.84/378,575.04 = 161,188.56/x
  3. Step 3: Cross multiply
    274,416.84x = 378,575.04 × 161,188.56
  4. Step 4: Simplify right side
    274,416.84x = 61,021,965,549.54
  5. Step 5: Solve for x
    x = 61,021,965,549.54/274,416.84
  6. Step 6: Final answer
    x = 222,369.61

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1.5x scale

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.