Home / 285,920.46-394,570.62-158,596.05

Finding the Fourth Proportional to 285,920.46, 394,570.62 and 158,596.05

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Solution

The fourth proportional to 285,920.46, 394,570.62 and 158,596.05 is: 218,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,920.46 : 394,570.62 = 158,596.05 : x
  2. Step 2: Convert to fraction form
    285,920.46/394,570.62 = 158,596.05/x
  3. Step 3: Cross multiply
    285,920.46x = 394,570.62 × 158,596.05
  4. Step 4: Simplify right side
    285,920.46x = 62,577,341,778.05
  5. Step 5: Solve for x
    x = 62,577,341,778.05/285,920.46
  6. Step 6: Final answer
    x = 218,862.76

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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.