Home / 262,968.20-394,452.30-163,759.40

Finding the Fourth Proportional to 262,968.20, 394,452.30 and 163,759.40

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Solution

The fourth proportional to 262,968.20, 394,452.30 and 163,759.40 is: 245,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,968.20 : 394,452.30 = 163,759.40 : x
  2. Step 2: Convert to fraction form
    262,968.20/394,452.30 = 163,759.40/x
  3. Step 3: Cross multiply
    262,968.20x = 394,452.30 × 163,759.40
  4. Step 4: Simplify right side
    262,968.20x = 64,595,271,976.62
  5. Step 5: Solve for x
    x = 64,595,271,976.62/262,968.20
  6. Step 6: Final answer
    x = 245,639.10

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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.