Home / 306,092.20-459,138.30-148,336.60

Finding the Fourth Proportional to 306,092.20, 459,138.30 and 148,336.60

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Solution

The fourth proportional to 306,092.20, 459,138.30 and 148,336.60 is: 222,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,092.20 : 459,138.30 = 148,336.60 : x
  2. Step 2: Convert to fraction form
    306,092.20/459,138.30 = 148,336.60/x
  3. Step 3: Cross multiply
    306,092.20x = 459,138.30 × 148,336.60
  4. Step 4: Simplify right side
    306,092.20x = 68,107,014,351.78
  5. Step 5: Solve for x
    x = 68,107,014,351.78/306,092.20
  6. Step 6: Final answer
    x = 222,504.90

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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.