Home / 307,540.20-461,396.70-149,773.80

Finding the Fourth Proportional to 307,540.20, 461,396.70 and 149,773.80

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Solution

The fourth proportional to 307,540.20, 461,396.70 and 149,773.80 is: 224,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,540.20 : 461,396.70 = 149,773.80 : x
  2. Step 2: Convert to fraction form
    307,540.20/461,396.70 = 149,773.80/x
  3. Step 3: Cross multiply
    307,540.20x = 461,396.70 × 149,773.80
  4. Step 4: Simplify right side
    307,540.20x = 69,105,137,066.46
  5. Step 5: Solve for x
    x = 69,105,137,066.46/307,540.20
  6. Step 6: Final answer
    x = 224,702.78

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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.