Home / 366,270.55-505,524.11-221,100.23

Finding the Fourth Proportional to 366,270.55, 505,524.11 and 221,100.23

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Solution

The fourth proportional to 366,270.55, 505,524.11 and 221,100.23 is: 305,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,270.55 : 505,524.11 = 221,100.23 : x
  2. Step 2: Convert to fraction form
    366,270.55/505,524.11 = 221,100.23/x
  3. Step 3: Cross multiply
    366,270.55x = 505,524.11 × 221,100.23
  4. Step 4: Simplify right side
    366,270.55x = 111,771,497,149.85
  5. Step 5: Solve for x
    x = 111,771,497,149.85/366,270.55
  6. Step 6: Final answer
    x = 305,161.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.