Home / 285,583.92-394,095.80-158,271.36

Finding the Fourth Proportional to 285,583.92, 394,095.80 and 158,271.36

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Solution

The fourth proportional to 285,583.92, 394,095.80 and 158,271.36 is: 218,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,583.92 : 394,095.80 = 158,271.36 : x
  2. Step 2: Convert to fraction form
    285,583.92/394,095.80 = 158,271.36/x
  3. Step 3: Cross multiply
    285,583.92x = 394,095.80 × 158,271.36
  4. Step 4: Simplify right side
    285,583.92x = 62,374,078,236.29
  5. Step 5: Solve for x
    x = 62,374,078,236.29/285,583.92
  6. Step 6: Final answer
    x = 218,408.93

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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.