Home / 263,062.80-394,594.20-163,335.60

Finding the Fourth Proportional to 263,062.80, 394,594.20 and 163,335.60

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Solution

The fourth proportional to 263,062.80, 394,594.20 and 163,335.60 is: 245,003.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,062.80 : 394,594.20 = 163,335.60 : x
  2. Step 2: Convert to fraction form
    263,062.80/394,594.20 = 163,335.60/x
  3. Step 3: Cross multiply
    263,062.80x = 394,594.20 × 163,335.60
  4. Step 4: Simplify right side
    263,062.80x = 64,451,280,413.52
  5. Step 5: Solve for x
    x = 64,451,280,413.52/263,062.80
  6. Step 6: Final answer
    x = 245,003.40

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1.5x scale

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.