Home / 285,919.70-394,569.57-158,595.29

Finding the Fourth Proportional to 285,919.70, 394,569.57 and 158,595.29

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Solution

The fourth proportional to 285,919.70, 394,569.57 and 158,595.29 is: 218,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,919.70 : 394,569.57 = 158,595.29 : x
  2. Step 2: Convert to fraction form
    285,919.70/394,569.57 = 158,595.29/x
  3. Step 3: Cross multiply
    285,919.70x = 394,569.57 × 158,595.29
  4. Step 4: Simplify right side
    285,919.70x = 62,576,873,406.48
  5. Step 5: Solve for x
    x = 62,576,873,406.48/285,919.70
  6. Step 6: Final answer
    x = 218,861.71

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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.