Home / 274,521.96-378,688.85-192,975.56

Finding the Fourth Proportional to 274,521.96, 378,688.85 and 192,975.56

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Solution

The fourth proportional to 274,521.96, 378,688.85 and 192,975.56 is: 266,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,521.96 : 378,688.85 = 192,975.56 : x
  2. Step 2: Convert to fraction form
    274,521.96/378,688.85 = 192,975.56/x
  3. Step 3: Cross multiply
    274,521.96x = 378,688.85 × 192,975.56
  4. Step 4: Simplify right side
    274,521.96x = 73,077,693,767.31
  5. Step 5: Solve for x
    x = 73,077,693,767.31/274,521.96
  6. Step 6: Final answer
    x = 266,199.81

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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.