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Finding the Fourth Proportional to 379,834.56, 570,097.44 and 202,492.80

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Solution

The fourth proportional to 379,834.56, 570,097.44 and 202,492.80 is: 303,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,834.56 : 570,097.44 = 202,492.80 : x
  2. Step 2: Convert to fraction form
    379,834.56/570,097.44 = 202,492.80/x
  3. Step 3: Cross multiply
    379,834.56x = 570,097.44 × 202,492.80
  4. Step 4: Simplify right side
    379,834.56x = 115,440,626,898.43
  5. Step 5: Solve for x
    x = 115,440,626,898.43/379,834.56
  6. Step 6: Final answer
    x = 303,923.44

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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.