Home / 219,828.70-329,743.05-131,182.30

Finding the Fourth Proportional to 219,828.70, 329,743.05 and 131,182.30

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Solution

The fourth proportional to 219,828.70, 329,743.05 and 131,182.30 is: 196,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,828.70 : 329,743.05 = 131,182.30 : x
  2. Step 2: Convert to fraction form
    219,828.70/329,743.05 = 131,182.30/x
  3. Step 3: Cross multiply
    219,828.70x = 329,743.05 × 131,182.30
  4. Step 4: Simplify right side
    219,828.70x = 43,256,451,708.02
  5. Step 5: Solve for x
    x = 43,256,451,708.02/219,828.70
  6. Step 6: Final answer
    x = 196,773.45

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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.