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Finding the Fourth Proportional to 379,895.60, 569,843.40 and 222,042.80

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Solution

The fourth proportional to 379,895.60, 569,843.40 and 222,042.80 is: 333,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,895.60 : 569,843.40 = 222,042.80 : x
  2. Step 2: Convert to fraction form
    379,895.60/569,843.40 = 222,042.80/x
  3. Step 3: Cross multiply
    379,895.60x = 569,843.40 × 222,042.80
  4. Step 4: Simplify right side
    379,895.60x = 126,529,624,097.52
  5. Step 5: Solve for x
    x = 126,529,624,097.52/379,895.60
  6. Step 6: Final answer
    x = 333,064.20

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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.