Home / 419,926.50-629,892.06-104,383.42

Finding the Fourth Proportional to 419,926.50, 629,892.06 and 104,383.42

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Solution

The fourth proportional to 419,926.50, 629,892.06 and 104,383.42 is: 156,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,926.50 : 629,892.06 = 104,383.42 : x
  2. Step 2: Convert to fraction form
    419,926.50/629,892.06 = 104,383.42/x
  3. Step 3: Cross multiply
    419,926.50x = 629,892.06 × 104,383.42
  4. Step 4: Simplify right side
    419,926.50x = 65,750,287,453.65
  5. Step 5: Solve for x
    x = 65,750,287,453.65/419,926.50
  6. Step 6: Final answer
    x = 156,575.70

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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.