Home / 408,022.20-612,033.30-108,502.20

Finding the Fourth Proportional to 408,022.20, 612,033.30 and 108,502.20

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Solution

The fourth proportional to 408,022.20, 612,033.30 and 108,502.20 is: 162,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,022.20 : 612,033.30 = 108,502.20 : x
  2. Step 2: Convert to fraction form
    408,022.20/612,033.30 = 108,502.20/x
  3. Step 3: Cross multiply
    408,022.20x = 612,033.30 × 108,502.20
  4. Step 4: Simplify right side
    408,022.20x = 66,406,959,523.26
  5. Step 5: Solve for x
    x = 66,406,959,523.26/408,022.20
  6. Step 6: Final answer
    x = 162,753.30

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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.