Home / 285,848.96-394,443.04-165,029.20

Finding the Fourth Proportional to 285,848.96, 394,443.04 and 165,029.20

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Solution

The fourth proportional to 285,848.96, 394,443.04 and 165,029.20 is: 227,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.96 : 394,443.04 = 165,029.20 : x
  2. Step 2: Convert to fraction form
    285,848.96/394,443.04 = 165,029.20/x
  3. Step 3: Cross multiply
    285,848.96x = 394,443.04 × 165,029.20
  4. Step 4: Simplify right side
    285,848.96x = 65,094,619,336.77
  5. Step 5: Solve for x
    x = 65,094,619,336.77/285,848.96
  6. Step 6: Final answer
    x = 227,723.83

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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.