Home / 285,921.78-394,566.03-158,596.26

Finding the Fourth Proportional to 285,921.78, 394,566.03 and 158,596.26

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Solution

The fourth proportional to 285,921.78, 394,566.03 and 158,596.26 is: 218,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,921.78 : 394,566.03 = 158,596.26 : x
  2. Step 2: Convert to fraction form
    285,921.78/394,566.03 = 158,596.26/x
  3. Step 3: Cross multiply
    285,921.78x = 394,566.03 × 158,596.26
  4. Step 4: Simplify right side
    285,921.78x = 62,576,696,681.05
  5. Step 5: Solve for x
    x = 62,576,696,681.05/285,921.78
  6. Step 6: Final answer
    x = 218,859.50

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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.