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Finding the Fourth Proportional to 222,787.76, 334,176.09 and 65,017.58

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Solution

The fourth proportional to 222,787.76, 334,176.09 and 65,017.58 is: 97,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,787.76 : 334,176.09 = 65,017.58 : x
  2. Step 2: Convert to fraction form
    222,787.76/334,176.09 = 65,017.58/x
  3. Step 3: Cross multiply
    222,787.76x = 334,176.09 × 65,017.58
  4. Step 4: Simplify right side
    222,787.76x = 21,727,320,665.66
  5. Step 5: Solve for x
    x = 21,727,320,665.66/222,787.76
  6. Step 6: Final answer
    x = 97,524.75

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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.