Home / 285,609.45-394,141.04-158,293.25

Finding the Fourth Proportional to 285,609.45, 394,141.04 and 158,293.25

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Solution

The fourth proportional to 285,609.45, 394,141.04 and 158,293.25 is: 218,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,609.45 : 394,141.04 = 158,293.25 : x
  2. Step 2: Convert to fraction form
    285,609.45/394,141.04 = 158,293.25/x
  3. Step 3: Cross multiply
    285,609.45x = 394,141.04 × 158,293.25
  4. Step 4: Simplify right side
    285,609.45x = 62,389,865,489.44
  5. Step 5: Solve for x
    x = 62,389,865,489.44/285,609.45
  6. Step 6: Final answer
    x = 218,444.68

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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.