Home / 354,287.28-531,340.20-104,910.96

Finding the Fourth Proportional to 354,287.28, 531,340.20 and 104,910.96

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Solution

The fourth proportional to 354,287.28, 531,340.20 and 104,910.96 is: 157,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287.28 : 531,340.20 = 104,910.96 : x
  2. Step 2: Convert to fraction form
    354,287.28/531,340.20 = 104,910.96/x
  3. Step 3: Cross multiply
    354,287.28x = 531,340.20 × 104,910.96
  4. Step 4: Simplify right side
    354,287.28x = 55,743,410,468.59
  5. Step 5: Solve for x
    x = 55,743,410,468.59/354,287.28
  6. Step 6: Final answer
    x = 157,339.58

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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.