Home / 299,344.50-449,090.73-88,981.56

Finding the Fourth Proportional to 299,344.50, 449,090.73 and 88,981.56

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Solution

The fourth proportional to 299,344.50, 449,090.73 and 88,981.56 is: 133,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,344.50 : 449,090.73 = 88,981.56 : x
  2. Step 2: Convert to fraction form
    299,344.50/449,090.73 = 88,981.56/x
  3. Step 3: Cross multiply
    299,344.50x = 449,090.73 × 88,981.56
  4. Step 4: Simplify right side
    299,344.50x = 39,960,793,736.94
  5. Step 5: Solve for x
    x = 39,960,793,736.94/299,344.50
  6. Step 6: Final answer
    x = 133,494.33

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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.