Home / 252,410.43-378,059.37-208,636.33

Finding the Fourth Proportional to 252,410.43, 378,059.37 and 208,636.33

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Solution

The fourth proportional to 252,410.43, 378,059.37 and 208,636.33 is: 312,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,410.43 : 378,059.37 = 208,636.33 : x
  2. Step 2: Convert to fraction form
    252,410.43/378,059.37 = 208,636.33/x
  3. Step 3: Cross multiply
    252,410.43x = 378,059.37 × 208,636.33
  4. Step 4: Simplify right side
    252,410.43x = 78,876,919,478.91
  5. Step 5: Solve for x
    x = 78,876,919,478.91/252,410.43
  6. Step 6: Final answer
    x = 312,494.69

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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.