Home / 412,276.20-618,414.30-202,324.20

Finding the Fourth Proportional to 412,276.20, 618,414.30 and 202,324.20

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Solution

The fourth proportional to 412,276.20, 618,414.30 and 202,324.20 is: 303,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,276.20 : 618,414.30 = 202,324.20 : x
  2. Step 2: Convert to fraction form
    412,276.20/618,414.30 = 202,324.20/x
  3. Step 3: Cross multiply
    412,276.20x = 618,414.30 × 202,324.20
  4. Step 4: Simplify right side
    412,276.20x = 125,120,178,516.06
  5. Step 5: Solve for x
    x = 125,120,178,516.06/412,276.20
  6. Step 6: Final answer
    x = 303,486.30

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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.