Home / 285,549.18-394,060.62-158,227.50

Finding the Fourth Proportional to 285,549.18, 394,060.62 and 158,227.50

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Solution

The fourth proportional to 285,549.18, 394,060.62 and 158,227.50 is: 218,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,549.18 : 394,060.62 = 158,227.50 : x
  2. Step 2: Convert to fraction form
    285,549.18/394,060.62 = 158,227.50/x
  3. Step 3: Cross multiply
    285,549.18x = 394,060.62 × 158,227.50
  4. Step 4: Simplify right side
    285,549.18x = 62,351,226,751.05
  5. Step 5: Solve for x
    x = 62,351,226,751.05/285,549.18
  6. Step 6: Final answer
    x = 218,355.47

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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.