Home / 219,697.18-329,545.77-69,936.82

Finding the Fourth Proportional to 219,697.18, 329,545.77 and 69,936.82

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Solution

The fourth proportional to 219,697.18, 329,545.77 and 69,936.82 is: 104,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,697.18 : 329,545.77 = 69,936.82 : x
  2. Step 2: Convert to fraction form
    219,697.18/329,545.77 = 69,936.82/x
  3. Step 3: Cross multiply
    219,697.18x = 329,545.77 × 69,936.82
  4. Step 4: Simplify right side
    219,697.18x = 23,047,383,198.25
  5. Step 5: Solve for x
    x = 23,047,383,198.25/219,697.18
  6. Step 6: Final answer
    x = 104,905.23

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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.