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Finding the Fourth Proportional to 223,179.69, 334,787.76 and 104,786.45

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Solution

The fourth proportional to 223,179.69, 334,787.76 and 104,786.45 is: 157,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,179.69 : 334,787.76 = 104,786.45 : x
  2. Step 2: Convert to fraction form
    223,179.69/334,787.76 = 104,786.45/x
  3. Step 3: Cross multiply
    223,179.69x = 334,787.76 × 104,786.45
  4. Step 4: Simplify right side
    223,179.69x = 35,081,220,873.85
  5. Step 5: Solve for x
    x = 35,081,220,873.85/223,179.69
  6. Step 6: Final answer
    x = 157,188.23

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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.