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Finding the Fourth Proportional to 404,635.60, 606,734.70 and 168,002.20

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Solution

The fourth proportional to 404,635.60, 606,734.70 and 168,002.20 is: 251,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,635.60 : 606,734.70 = 168,002.20 : x
  2. Step 2: Convert to fraction form
    404,635.60/606,734.70 = 168,002.20/x
  3. Step 3: Cross multiply
    404,635.60x = 606,734.70 × 168,002.20
  4. Step 4: Simplify right side
    404,635.60x = 101,932,764,416.34
  5. Step 5: Solve for x
    x = 101,932,764,416.34/404,635.60
  6. Step 6: Final answer
    x = 251,912.50

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1.5x scale

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.