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Finding the Fourth Proportional to 277,379.54, 416,081.15 and 108,936.37

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Solution

The fourth proportional to 277,379.54, 416,081.15 and 108,936.37 is: 163,409.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,379.54 : 416,081.15 = 108,936.37 : x
  2. Step 2: Convert to fraction form
    277,379.54/416,081.15 = 108,936.37/x
  3. Step 3: Cross multiply
    277,379.54x = 416,081.15 × 108,936.37
  4. Step 4: Simplify right side
    277,379.54x = 45,326,370,106.43
  5. Step 5: Solve for x
    x = 45,326,370,106.43/277,379.54
  6. Step 6: Final answer
    x = 163,409.20

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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.