Home / 285,545.04-394,046.28-158,219.52

Finding the Fourth Proportional to 285,545.04, 394,046.28 and 158,219.52

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Solution

The fourth proportional to 285,545.04, 394,046.28 and 158,219.52 is: 218,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,545.04 : 394,046.28 = 158,219.52 : x
  2. Step 2: Convert to fraction form
    285,545.04/394,046.28 = 158,219.52/x
  3. Step 3: Cross multiply
    285,545.04x = 394,046.28 × 158,219.52
  4. Step 4: Simplify right side
    285,545.04x = 62,345,813,279.39
  5. Step 5: Solve for x
    x = 62,345,813,279.39/285,545.04
  6. Step 6: Final answer
    x = 218,339.68

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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.