Home / 219,947.22-329,917.95-53,736.66

Finding the Fourth Proportional to 219,947.22, 329,917.95 and 53,736.66

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Solution

The fourth proportional to 219,947.22, 329,917.95 and 53,736.66 is: 80,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,947.22 : 329,917.95 = 53,736.66 : x
  2. Step 2: Convert to fraction form
    219,947.22/329,917.95 = 53,736.66/x
  3. Step 3: Cross multiply
    219,947.22x = 329,917.95 × 53,736.66
  4. Step 4: Simplify right side
    219,947.22x = 17,728,688,707.05
  5. Step 5: Solve for x
    x = 17,728,688,707.05/219,947.22
  6. Step 6: Final answer
    x = 80,604.29

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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.