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Finding the Fourth Proportional to 315,660.65, 435,573.86 and 179,694.86

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Solution

The fourth proportional to 315,660.65, 435,573.86 and 179,694.86 is: 247,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,660.65 : 435,573.86 = 179,694.86 : x
  2. Step 2: Convert to fraction form
    315,660.65/435,573.86 = 179,694.86/x
  3. Step 3: Cross multiply
    315,660.65x = 435,573.86 × 179,694.86
  4. Step 4: Simplify right side
    315,660.65x = 78,270,380,716.02
  5. Step 5: Solve for x
    x = 78,270,380,716.02/315,660.65
  6. Step 6: Final answer
    x = 247,957.36

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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.