Home / 285,934.32-394,581.72-165,071.52

Finding the Fourth Proportional to 285,934.32, 394,581.72 and 165,071.52

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Solution

The fourth proportional to 285,934.32, 394,581.72 and 165,071.52 is: 227,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,934.32 : 394,581.72 = 165,071.52 : x
  2. Step 2: Convert to fraction form
    285,934.32/394,581.72 = 165,071.52/x
  3. Step 3: Cross multiply
    285,934.32x = 394,581.72 × 165,071.52
  4. Step 4: Simplify right side
    285,934.32x = 65,134,204,284.61
  5. Step 5: Solve for x
    x = 65,134,204,284.61/285,934.32
  6. Step 6: Final answer
    x = 227,794.29

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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.