Home / 360,299.26-497,144.55-226,102.78

Finding the Fourth Proportional to 360,299.26, 497,144.55 and 226,102.78

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Solution

The fourth proportional to 360,299.26, 497,144.55 and 226,102.78 is: 311,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,299.26 : 497,144.55 = 226,102.78 : x
  2. Step 2: Convert to fraction form
    360,299.26/497,144.55 = 226,102.78/x
  3. Step 3: Cross multiply
    360,299.26x = 497,144.55 × 226,102.78
  4. Step 4: Simplify right side
    360,299.26x = 112,405,764,816.85
  5. Step 5: Solve for x
    x = 112,405,764,816.85/360,299.26
  6. Step 6: Final answer
    x = 311,978.89

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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.