Home / 367,528.20-551,292.30-131,137.80

Finding the Fourth Proportional to 367,528.20, 551,292.30 and 131,137.80

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Solution

The fourth proportional to 367,528.20, 551,292.30 and 131,137.80 is: 196,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,528.20 : 551,292.30 = 131,137.80 : x
  2. Step 2: Convert to fraction form
    367,528.20/551,292.30 = 131,137.80/x
  3. Step 3: Cross multiply
    367,528.20x = 551,292.30 × 131,137.80
  4. Step 4: Simplify right side
    367,528.20x = 72,295,259,378.94
  5. Step 5: Solve for x
    x = 72,295,259,378.94/367,528.20
  6. Step 6: Final answer
    x = 196,706.70

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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.