Home / 361,749.98-499,216.26-200,619.92

Finding the Fourth Proportional to 361,749.98, 499,216.26 and 200,619.92

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Solution

The fourth proportional to 361,749.98, 499,216.26 and 200,619.92 is: 276,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,749.98 : 499,216.26 = 200,619.92 : x
  2. Step 2: Convert to fraction form
    361,749.98/499,216.26 = 200,619.92/x
  3. Step 3: Cross multiply
    361,749.98x = 499,216.26 × 200,619.92
  4. Step 4: Simplify right side
    361,749.98x = 100,152,726,143.90
  5. Step 5: Solve for x
    x = 100,152,726,143.90/361,749.98
  6. Step 6: Final answer
    x = 276,856.20

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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.