Home / 321,468.28-443,619.38-185,491.56

Finding the Fourth Proportional to 321,468.28, 443,619.38 and 185,491.56

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Solution

The fourth proportional to 321,468.28, 443,619.38 and 185,491.56 is: 255,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,468.28 : 443,619.38 = 185,491.56 : x
  2. Step 2: Convert to fraction form
    321,468.28/443,619.38 = 185,491.56/x
  3. Step 3: Cross multiply
    321,468.28x = 443,619.38 × 185,491.56
  4. Step 4: Simplify right side
    321,468.28x = 82,287,650,842.43
  5. Step 5: Solve for x
    x = 82,287,650,842.43/321,468.28
  6. Step 6: Final answer
    x = 255,974.40

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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.