Home / 330,800.96-496,365.60-131,116.96

Finding the Fourth Proportional to 330,800.96, 496,365.60 and 131,116.96

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Solution

The fourth proportional to 330,800.96, 496,365.60 and 131,116.96 is: 196,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,800.96 : 496,365.60 = 131,116.96 : x
  2. Step 2: Convert to fraction form
    330,800.96/496,365.60 = 131,116.96/x
  3. Step 3: Cross multiply
    330,800.96x = 496,365.60 × 131,116.96
  4. Step 4: Simplify right side
    330,800.96x = 65,081,948,520.58
  5. Step 5: Solve for x
    x = 65,081,948,520.58/330,800.96
  6. Step 6: Final answer
    x = 196,740.51

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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.