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Finding the Fourth Proportional to 355,136.34, 490,102.56 and 204,233.34

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Solution

The fourth proportional to 355,136.34, 490,102.56 and 204,233.34 is: 281,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,136.34 : 490,102.56 = 204,233.34 : x
  2. Step 2: Convert to fraction form
    355,136.34/490,102.56 = 204,233.34/x
  3. Step 3: Cross multiply
    355,136.34x = 490,102.56 × 204,233.34
  4. Step 4: Simplify right side
    355,136.34x = 100,095,282,771.35
  5. Step 5: Solve for x
    x = 100,095,282,771.35/355,136.34
  6. Step 6: Final answer
    x = 281,850.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.