Home / 307,736.20-461,690.70-149,969.80

Finding the Fourth Proportional to 307,736.20, 461,690.70 and 149,969.80

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Solution

The fourth proportional to 307,736.20, 461,690.70 and 149,969.80 is: 224,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,736.20 : 461,690.70 = 149,969.80 : x
  2. Step 2: Convert to fraction form
    307,736.20/461,690.70 = 149,969.80/x
  3. Step 3: Cross multiply
    307,736.20x = 461,690.70 × 149,969.80
  4. Step 4: Simplify right side
    307,736.20x = 69,239,661,940.86
  5. Step 5: Solve for x
    x = 69,239,661,940.86/307,736.20
  6. Step 6: Final answer
    x = 224,996.81

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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.