Home / 756,081.20-1,134,121.80-223,554.80

Finding the Fourth Proportional to 756,081.20, 1,134,121.80 and 223,554.80

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Solution

The fourth proportional to 756,081.20, 1,134,121.80 and 223,554.80 is: 335,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,081.20 : 1,134,121.80 = 223,554.80 : x
  2. Step 2: Convert to fraction form
    756,081.20/1,134,121.80 = 223,554.80/x
  3. Step 3: Cross multiply
    756,081.20x = 1,134,121.80 × 223,554.80
  4. Step 4: Simplify right side
    756,081.20x = 253,538,372,174.64
  5. Step 5: Solve for x
    x = 253,538,372,174.64/756,081.20
  6. Step 6: Final answer
    x = 335,332.20

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Similar ratio
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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.