Home / 483,743.20-667,293.12-290,099.28

Finding the Fourth Proportional to 483,743.20, 667,293.12 and 290,099.28

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Solution

The fourth proportional to 483,743.20, 667,293.12 and 290,099.28 is: 400,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,743.20 : 667,293.12 = 290,099.28 : x
  2. Step 2: Convert to fraction form
    483,743.20/667,293.12 = 290,099.28/x
  3. Step 3: Cross multiply
    483,743.20x = 667,293.12 × 290,099.28
  4. Step 4: Simplify right side
    483,743.20x = 193,581,253,660.95
  5. Step 5: Solve for x
    x = 193,581,253,660.95/483,743.20
  6. Step 6: Final answer
    x = 400,173.59

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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.