Home / 220,344.30-330,917.40-192,788.10

Finding the Fourth Proportional to 220,344.30, 330,917.40 and 192,788.10

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Solution

The fourth proportional to 220,344.30, 330,917.40 and 192,788.10 is: 289,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,344.30 : 330,917.40 = 192,788.10 : x
  2. Step 2: Convert to fraction form
    220,344.30/330,917.40 = 192,788.10/x
  3. Step 3: Cross multiply
    220,344.30x = 330,917.40 × 192,788.10
  4. Step 4: Simplify right side
    220,344.30x = 63,796,936,802.94
  5. Step 5: Solve for x
    x = 63,796,936,802.94/220,344.30
  6. Step 6: Final answer
    x = 289,532.96

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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.