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Finding the Fourth Proportional to 483,889.20, 667,777.93 and 266,084.06

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Solution

The fourth proportional to 483,889.20, 667,777.93 and 266,084.06 is: 367,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,889.20 : 667,777.93 = 266,084.06 : x
  2. Step 2: Convert to fraction form
    483,889.20/667,777.93 = 266,084.06/x
  3. Step 3: Cross multiply
    483,889.20x = 667,777.93 × 266,084.06
  4. Step 4: Simplify right side
    483,889.20x = 177,685,063,797.03
  5. Step 5: Solve for x
    x = 177,685,063,797.03/483,889.20
  6. Step 6: Final answer
    x = 367,201.97

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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.