Home / 379,942.14-569,349.24-211,230.38

Finding the Fourth Proportional to 379,942.14, 569,349.24 and 211,230.38

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Solution

The fourth proportional to 379,942.14, 569,349.24 and 211,230.38 is: 316,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,942.14 : 569,349.24 = 211,230.38 : x
  2. Step 2: Convert to fraction form
    379,942.14/569,349.24 = 211,230.38/x
  3. Step 3: Cross multiply
    379,942.14x = 569,349.24 × 211,230.38
  4. Step 4: Simplify right side
    379,942.14x = 120,263,856,949.17
  5. Step 5: Solve for x
    x = 120,263,856,949.17/379,942.14
  6. Step 6: Final answer
    x = 316,532.03

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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.