Home / 285,964.04-394,677.68-158,680.64

Finding the Fourth Proportional to 285,964.04, 394,677.68 and 158,680.64

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Solution

The fourth proportional to 285,964.04, 394,677.68 and 158,680.64 is: 219,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,964.04 : 394,677.68 = 158,680.64 : x
  2. Step 2: Convert to fraction form
    285,964.04/394,677.68 = 158,680.64/x
  3. Step 3: Cross multiply
    285,964.04x = 394,677.68 × 158,680.64
  4. Step 4: Simplify right side
    285,964.04x = 62,627,706,856.12
  5. Step 5: Solve for x
    x = 62,627,706,856.12/285,964.04
  6. Step 6: Final answer
    x = 219,005.53

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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.