Home / 222,985.31-334,392.30-80,788.79

Finding the Fourth Proportional to 222,985.31, 334,392.30 and 80,788.79

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Solution

The fourth proportional to 222,985.31, 334,392.30 and 80,788.79 is: 121,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,985.31 : 334,392.30 = 80,788.79 : x
  2. Step 2: Convert to fraction form
    222,985.31/334,392.30 = 80,788.79/x
  3. Step 3: Cross multiply
    222,985.31x = 334,392.30 × 80,788.79
  4. Step 4: Simplify right side
    222,985.31x = 27,015,150,138.30
  5. Step 5: Solve for x
    x = 27,015,150,138.30/222,985.31
  6. Step 6: Final answer
    x = 121,152.15

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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.