Home / 278,600.31-417,664.38-110,239.41

Finding the Fourth Proportional to 278,600.31, 417,664.38 and 110,239.41

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Solution

The fourth proportional to 278,600.31, 417,664.38 and 110,239.41 is: 165,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,600.31 : 417,664.38 = 110,239.41 : x
  2. Step 2: Convert to fraction form
    278,600.31/417,664.38 = 110,239.41/x
  3. Step 3: Cross multiply
    278,600.31x = 417,664.38 × 110,239.41
  4. Step 4: Simplify right side
    278,600.31x = 46,043,076,808.86
  5. Step 5: Solve for x
    x = 46,043,076,808.86/278,600.31
  6. Step 6: Final answer
    x = 165,265.71

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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.