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Finding the Fourth Proportional to 263,304.50, 394,719.66 and 94,706.32

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Solution

The fourth proportional to 263,304.50, 394,719.66 and 94,706.32 is: 141,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,304.50 : 394,719.66 = 94,706.32 : x
  2. Step 2: Convert to fraction form
    263,304.50/394,719.66 = 94,706.32/x
  3. Step 3: Cross multiply
    263,304.50x = 394,719.66 × 94,706.32
  4. Step 4: Simplify right side
    263,304.50x = 37,382,444,456.65
  5. Step 5: Solve for x
    x = 37,382,444,456.65/263,304.50
  6. Step 6: Final answer
    x = 141,974.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.