Home / 323,131.30-445,856.04-195,732.88

Finding the Fourth Proportional to 323,131.30, 445,856.04 and 195,732.88

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Solution

The fourth proportional to 323,131.30, 445,856.04 and 195,732.88 is: 270,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,131.30 : 445,856.04 = 195,732.88 : x
  2. Step 2: Convert to fraction form
    323,131.30/445,856.04 = 195,732.88/x
  3. Step 3: Cross multiply
    323,131.30x = 445,856.04 × 195,732.88
  4. Step 4: Simplify right side
    323,131.30x = 87,268,686,774.60
  5. Step 5: Solve for x
    x = 87,268,686,774.60/323,131.30
  6. Step 6: Final answer
    x = 270,071.91

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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.