Home / 357,771.20-493,736.10-196,631.96

Finding the Fourth Proportional to 357,771.20, 493,736.10 and 196,631.96

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Solution

The fourth proportional to 357,771.20, 493,736.10 and 196,631.96 is: 271,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,771.20 : 493,736.10 = 196,631.96 : x
  2. Step 2: Convert to fraction form
    357,771.20/493,736.10 = 196,631.96/x
  3. Step 3: Cross multiply
    357,771.20x = 493,736.10 × 196,631.96
  4. Step 4: Simplify right side
    357,771.20x = 97,084,298,300.10
  5. Step 5: Solve for x
    x = 97,084,298,300.10/357,771.20
  6. Step 6: Final answer
    x = 271,358.62

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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.