Home / 278,767.26-417,633.57-188,766.54

Finding the Fourth Proportional to 278,767.26, 417,633.57 and 188,766.54

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Solution

The fourth proportional to 278,767.26, 417,633.57 and 188,766.54 is: 282,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,767.26 : 417,633.57 = 188,766.54 : x
  2. Step 2: Convert to fraction form
    278,767.26/417,633.57 = 188,766.54/x
  3. Step 3: Cross multiply
    278,767.26x = 417,633.57 × 188,766.54
  4. Step 4: Simplify right side
    278,767.26x = 78,835,243,996.75
  5. Step 5: Solve for x
    x = 78,835,243,996.75/278,767.26
  6. Step 6: Final answer
    x = 282,799.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.