Home / 263,271.20-394,906.80-179,290.40

Finding the Fourth Proportional to 263,271.20, 394,906.80 and 179,290.40

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Solution

The fourth proportional to 263,271.20, 394,906.80 and 179,290.40 is: 268,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,271.20 : 394,906.80 = 179,290.40 : x
  2. Step 2: Convert to fraction form
    263,271.20/394,906.80 = 179,290.40/x
  3. Step 3: Cross multiply
    263,271.20x = 394,906.80 × 179,290.40
  4. Step 4: Simplify right side
    263,271.20x = 70,802,998,134.72
  5. Step 5: Solve for x
    x = 70,802,998,134.72/263,271.20
  6. Step 6: Final answer
    x = 268,935.60

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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.