Home / 274,312.92-378,611.07-166,917.52

Finding the Fourth Proportional to 274,312.92, 378,611.07 and 166,917.52

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Solution

The fourth proportional to 274,312.92, 378,611.07 and 166,917.52 is: 230,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,312.92 : 378,611.07 = 166,917.52 : x
  2. Step 2: Convert to fraction form
    274,312.92/378,611.07 = 166,917.52/x
  3. Step 3: Cross multiply
    274,312.92x = 378,611.07 × 166,917.52
  4. Step 4: Simplify right side
    274,312.92x = 63,196,819,902.42
  5. Step 5: Solve for x
    x = 63,196,819,902.42/274,312.92
  6. Step 6: Final answer
    x = 230,382.22

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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.