Home / 283,961.46-426,105-115,450.68

Finding the Fourth Proportional to 283,961.46, 426,105 and 115,450.68

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Solution

The fourth proportional to 283,961.46, 426,105 and 115,450.68 is: 173,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,961.46 : 426,105 = 115,450.68 : x
  2. Step 2: Convert to fraction form
    283,961.46/426,105 = 115,450.68/x
  3. Step 3: Cross multiply
    283,961.46x = 426,105 × 115,450.68
  4. Step 4: Simplify right side
    283,961.46x = 49,194,112,001.40
  5. Step 5: Solve for x
    x = 49,194,112,001.40/283,961.46
  6. Step 6: Final answer
    x = 173,242.21

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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.