Home / 756,154.20-1,134,231.30-223,627.80

Finding the Fourth Proportional to 756,154.20, 1,134,231.30 and 223,627.80

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Solution

The fourth proportional to 756,154.20, 1,134,231.30 and 223,627.80 is: 335,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,154.20 : 1,134,231.30 = 223,627.80 : x
  2. Step 2: Convert to fraction form
    756,154.20/1,134,231.30 = 223,627.80/x
  3. Step 3: Cross multiply
    756,154.20x = 1,134,231.30 × 223,627.80
  4. Step 4: Simplify right side
    756,154.20x = 253,645,650,310.14
  5. Step 5: Solve for x
    x = 253,645,650,310.14/756,154.20
  6. Step 6: Final answer
    x = 335,441.70

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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.