Home / 274,490.26-378,495.75-178,819.54

Finding the Fourth Proportional to 274,490.26, 378,495.75 and 178,819.54

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Solution

The fourth proportional to 274,490.26, 378,495.75 and 178,819.54 is: 246,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,490.26 : 378,495.75 = 178,819.54 : x
  2. Step 2: Convert to fraction form
    274,490.26/378,495.75 = 178,819.54/x
  3. Step 3: Cross multiply
    274,490.26x = 378,495.75 × 178,819.54
  4. Step 4: Simplify right side
    274,490.26x = 67,682,435,631.29
  5. Step 5: Solve for x
    x = 67,682,435,631.29/274,490.26
  6. Step 6: Final answer
    x = 246,575.00

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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.