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Finding the Fourth Proportional to 219,744, 329,599.44 and 69,978.24

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Solution

The fourth proportional to 219,744, 329,599.44 and 69,978.24 is: 104,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,744 : 329,599.44 = 69,978.24 : x
  2. Step 2: Convert to fraction form
    219,744/329,599.44 = 69,978.24/x
  3. Step 3: Cross multiply
    219,744x = 329,599.44 × 69,978.24
  4. Step 4: Simplify right side
    219,744x = 23,064,788,716.19
  5. Step 5: Solve for x
    x = 23,064,788,716.19/219,744
  6. Step 6: Final answer
    x = 104,962.09

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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.