Home / 494,110.20-741,157.50-157,146

Finding the Fourth Proportional to 494,110.20, 741,157.50 and 157,146

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Solution

The fourth proportional to 494,110.20, 741,157.50 and 157,146 is: 235,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,110.20 : 741,157.50 = 157,146 : x
  2. Step 2: Convert to fraction form
    494,110.20/741,157.50 = 157,146/x
  3. Step 3: Cross multiply
    494,110.20x = 741,157.50 × 157,146
  4. Step 4: Simplify right side
    494,110.20x = 116,469,936,495
  5. Step 5: Solve for x
    x = 116,469,936,495/494,110.20
  6. Step 6: Final answer
    x = 235,716.52

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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.