Home / 247,176.02-341,105.60-145,205.78

Finding the Fourth Proportional to 247,176.02, 341,105.60 and 145,205.78

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Solution

The fourth proportional to 247,176.02, 341,105.60 and 145,205.78 is: 200,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,176.02 : 341,105.60 = 145,205.78 : x
  2. Step 2: Convert to fraction form
    247,176.02/341,105.60 = 145,205.78/x
  3. Step 3: Cross multiply
    247,176.02x = 341,105.60 × 145,205.78
  4. Step 4: Simplify right side
    247,176.02x = 49,530,504,316.65
  5. Step 5: Solve for x
    x = 49,530,504,316.65/247,176.02
  6. Step 6: Final answer
    x = 200,385.55

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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.