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Finding the Fourth Proportional to 219,604.30, 329,403 and 69,842.44

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Solution

The fourth proportional to 219,604.30, 329,403 and 69,842.44 is: 104,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,604.30 : 329,403 = 69,842.44 : x
  2. Step 2: Convert to fraction form
    219,604.30/329,403 = 69,842.44/x
  3. Step 3: Cross multiply
    219,604.30x = 329,403 × 69,842.44
  4. Step 4: Simplify right side
    219,604.30x = 23,006,309,263.32
  5. Step 5: Solve for x
    x = 23,006,309,263.32/219,604.30
  6. Step 6: Final answer
    x = 104,762.56

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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.