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Finding the Fourth Proportional to 355,834.55, 491,057.82 and 194,703.68

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Solution

The fourth proportional to 355,834.55, 491,057.82 and 194,703.68 is: 268,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,834.55 : 491,057.82 = 194,703.68 : x
  2. Step 2: Convert to fraction form
    355,834.55/491,057.82 = 194,703.68/x
  3. Step 3: Cross multiply
    355,834.55x = 491,057.82 × 194,703.68
  4. Step 4: Simplify right side
    355,834.55x = 95,610,762,191.49
  5. Step 5: Solve for x
    x = 95,610,762,191.49/355,834.55
  6. Step 6: Final answer
    x = 268,694.44

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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.