Home / 307,947.90-461,921.85-206,471.10

Finding the Fourth Proportional to 307,947.90, 461,921.85 and 206,471.10

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Solution

The fourth proportional to 307,947.90, 461,921.85 and 206,471.10 is: 309,706.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,947.90 : 461,921.85 = 206,471.10 : x
  2. Step 2: Convert to fraction form
    307,947.90/461,921.85 = 206,471.10/x
  3. Step 3: Cross multiply
    307,947.90x = 461,921.85 × 206,471.10
  4. Step 4: Simplify right side
    307,947.90x = 95,373,512,483.54
  5. Step 5: Solve for x
    x = 95,373,512,483.54/307,947.90
  6. Step 6: Final answer
    x = 309,706.65

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Similar ratio
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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.