Home / 307,517.32-461,448.22-130,157.09

Finding the Fourth Proportional to 307,517.32, 461,448.22 and 130,157.09

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Solution

The fourth proportional to 307,517.32, 461,448.22 and 130,157.09 is: 195,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,517.32 : 461,448.22 = 130,157.09 : x
  2. Step 2: Convert to fraction form
    307,517.32/461,448.22 = 130,157.09/x
  3. Step 3: Cross multiply
    307,517.32x = 461,448.22 × 130,157.09
  4. Step 4: Simplify right side
    307,517.32x = 60,060,757,500.88
  5. Step 5: Solve for x
    x = 60,060,757,500.88/307,517.32
  6. Step 6: Final answer
    x = 195,308.54

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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.