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Finding the Fourth Proportional to 197,157.60, 295,990.64 and 169,256.94

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Solution

The fourth proportional to 197,157.60, 295,990.64 and 169,256.94 is: 254,103.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,157.60 : 295,990.64 = 169,256.94 : x
  2. Step 2: Convert to fraction form
    197,157.60/295,990.64 = 169,256.94/x
  3. Step 3: Cross multiply
    197,157.60x = 295,990.64 × 169,256.94
  4. Step 4: Simplify right side
    197,157.60x = 50,098,469,148.76
  5. Step 5: Solve for x
    x = 50,098,469,148.76/197,157.60
  6. Step 6: Final answer
    x = 254,103.67

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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.