Home / 756,100.20-1,134,150.30-223,573.80

Finding the Fourth Proportional to 756,100.20, 1,134,150.30 and 223,573.80

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Solution

The fourth proportional to 756,100.20, 1,134,150.30 and 223,573.80 is: 335,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,100.20 : 1,134,150.30 = 223,573.80 : x
  2. Step 2: Convert to fraction form
    756,100.20/1,134,150.30 = 223,573.80/x
  3. Step 3: Cross multiply
    756,100.20x = 1,134,150.30 × 223,573.80
  4. Step 4: Simplify right side
    756,100.20x = 253,566,292,342.14
  5. Step 5: Solve for x
    x = 253,566,292,342.14/756,100.20
  6. Step 6: Final answer
    x = 335,360.70

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Double scale
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Similar ratio
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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.