Home / 219,901.60-329,427.96-131,226.04

Finding the Fourth Proportional to 219,901.60, 329,427.96 and 131,226.04

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Solution

The fourth proportional to 219,901.60, 329,427.96 and 131,226.04 is: 196,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,901.60 : 329,427.96 = 131,226.04 : x
  2. Step 2: Convert to fraction form
    219,901.60/329,427.96 = 131,226.04/x
  3. Step 3: Cross multiply
    219,901.60x = 329,427.96 × 131,226.04
  4. Step 4: Simplify right side
    219,901.60x = 43,229,526,656.08
  5. Step 5: Solve for x
    x = 43,229,526,656.08/219,901.60
  6. Step 6: Final answer
    x = 196,585.78

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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.