Home / 358,085.22-494,157.78-196,951.20

Finding the Fourth Proportional to 358,085.22, 494,157.78 and 196,951.20

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Solution

The fourth proportional to 358,085.22, 494,157.78 and 196,951.20 is: 271,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,085.22 : 494,157.78 = 196,951.20 : x
  2. Step 2: Convert to fraction form
    358,085.22/494,157.78 = 196,951.20/x
  3. Step 3: Cross multiply
    358,085.22x = 494,157.78 × 196,951.20
  4. Step 4: Simplify right side
    358,085.22x = 97,324,967,760.34
  5. Step 5: Solve for x
    x = 97,324,967,760.34/358,085.22
  6. Step 6: Final answer
    x = 271,792.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.