Home / 252,830.78-379,245.99-75,333.23

Finding the Fourth Proportional to 252,830.78, 379,245.99 and 75,333.23

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Solution

The fourth proportional to 252,830.78, 379,245.99 and 75,333.23 is: 112,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,830.78 : 379,245.99 = 75,333.23 : x
  2. Step 2: Convert to fraction form
    252,830.78/379,245.99 = 75,333.23/x
  3. Step 3: Cross multiply
    252,830.78x = 379,245.99 × 75,333.23
  4. Step 4: Simplify right side
    252,830.78x = 28,569,825,391.25
  5. Step 5: Solve for x
    x = 28,569,825,391.25/252,830.78
  6. Step 6: Final answer
    x = 112,999.79

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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.