Home / 285,914.49-394,559.15-158,586.81

Finding the Fourth Proportional to 285,914.49, 394,559.15 and 158,586.81

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Solution

The fourth proportional to 285,914.49, 394,559.15 and 158,586.81 is: 218,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,914.49 : 394,559.15 = 158,586.81 : x
  2. Step 2: Convert to fraction form
    285,914.49/394,559.15 = 158,586.81/x
  3. Step 3: Cross multiply
    285,914.49x = 394,559.15 × 158,586.81
  4. Step 4: Simplify right side
    285,914.49x = 62,571,876,161.88
  5. Step 5: Solve for x
    x = 62,571,876,161.88/285,914.49
  6. Step 6: Final answer
    x = 218,848.22

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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.