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Finding the Fourth Proportional to 109,279.00, 163,927.78 and 30,393.22

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Solution

The fourth proportional to 109,279.00, 163,927.78 and 30,393.22 is: 45,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.00 : 163,927.78 = 30,393.22 : x
  2. Step 2: Convert to fraction form
    109,279.00/163,927.78 = 30,393.22/x
  3. Step 3: Cross multiply
    109,279.00x = 163,927.78 × 30,393.22
  4. Step 4: Simplify right side
    109,279.00x = 4,982,293,517.94
  5. Step 5: Solve for x
    x = 4,982,293,517.94/109,279.00
  6. Step 6: Final answer
    x = 45,592.42

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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.