Home / 219,849.30-329,724.11-111,669

Finding the Fourth Proportional to 219,849.30, 329,724.11 and 111,669

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Solution

The fourth proportional to 219,849.30, 329,724.11 and 111,669 is: 167,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,849.30 : 329,724.11 = 111,669 : x
  2. Step 2: Convert to fraction form
    219,849.30/329,724.11 = 111,669/x
  3. Step 3: Cross multiply
    219,849.30x = 329,724.11 × 111,669
  4. Step 4: Simplify right side
    219,849.30x = 36,819,961,081.25
  5. Step 5: Solve for x
    x = 36,819,961,081.25/219,849.30
  6. Step 6: Final answer
    x = 167,478.18

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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.