Home / 252,391.32-378,505.06-83,866.41

Finding the Fourth Proportional to 252,391.32, 378,505.06 and 83,866.41

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Solution

The fourth proportional to 252,391.32, 378,505.06 and 83,866.41 is: 125,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,391.32 : 378,505.06 = 83,866.41 : x
  2. Step 2: Convert to fraction form
    252,391.32/378,505.06 = 83,866.41/x
  3. Step 3: Cross multiply
    252,391.32x = 378,505.06 × 83,866.41
  4. Step 4: Simplify right side
    252,391.32x = 31,743,860,339.37
  5. Step 5: Solve for x
    x = 31,743,860,339.37/252,391.32
  6. Step 6: Final answer
    x = 125,772.39

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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.