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Finding the Fourth Proportional to 483,879.32, 667,770.63 and 266,104.55

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Solution

The fourth proportional to 483,879.32, 667,770.63 and 266,104.55 is: 367,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,879.32 : 667,770.63 = 266,104.55 : x
  2. Step 2: Convert to fraction form
    483,879.32/667,770.63 = 266,104.55/x
  3. Step 3: Cross multiply
    483,879.32x = 667,770.63 × 266,104.55
  4. Step 4: Simplify right side
    483,879.32x = 177,696,802,162.30
  5. Step 5: Solve for x
    x = 177,696,802,162.30/483,879.32
  6. Step 6: Final answer
    x = 367,233.72

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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.