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Finding the Fourth Proportional to 285,625.59, 394,148.13 and 164,759.66

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Solution

The fourth proportional to 285,625.59, 394,148.13 and 164,759.66 is: 227,359.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,625.59 : 394,148.13 = 164,759.66 : x
  2. Step 2: Convert to fraction form
    285,625.59/394,148.13 = 164,759.66/x
  3. Step 3: Cross multiply
    285,625.59x = 394,148.13 × 164,759.66
  4. Step 4: Simplify right side
    285,625.59x = 64,939,711,888.44
  5. Step 5: Solve for x
    x = 64,939,711,888.44/285,625.59
  6. Step 6: Final answer
    x = 227,359.57

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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.