Home / 285,764.26-394,376.98-158,464.66

Finding the Fourth Proportional to 285,764.26, 394,376.98 and 158,464.66

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Solution

The fourth proportional to 285,764.26, 394,376.98 and 158,464.66 is: 218,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,764.26 : 394,376.98 = 158,464.66 : x
  2. Step 2: Convert to fraction form
    285,764.26/394,376.98 = 158,464.66/x
  3. Step 3: Cross multiply
    285,764.26x = 394,376.98 × 158,464.66
  4. Step 4: Simplify right side
    285,764.26x = 62,494,814,047.53
  5. Step 5: Solve for x
    x = 62,494,814,047.53/285,764.26
  6. Step 6: Final answer
    x = 218,693.60

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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.