Home / 269,089.18-403,404.55-119,247.78

Finding the Fourth Proportional to 269,089.18, 403,404.55 and 119,247.78

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Solution

The fourth proportional to 269,089.18, 403,404.55 and 119,247.78 is: 178,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,089.18 : 403,404.55 = 119,247.78 : x
  2. Step 2: Convert to fraction form
    269,089.18/403,404.55 = 119,247.78/x
  3. Step 3: Cross multiply
    269,089.18x = 403,404.55 × 119,247.78
  4. Step 4: Simplify right side
    269,089.18x = 48,105,097,029.40
  5. Step 5: Solve for x
    x = 48,105,097,029.40/269,089.18
  6. Step 6: Final answer
    x = 178,770.09

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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.