Home / 275,164.03-379,730.25-166,253.21

Finding the Fourth Proportional to 275,164.03, 379,730.25 and 166,253.21

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Solution

The fourth proportional to 275,164.03, 379,730.25 and 166,253.21 is: 229,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,164.03 : 379,730.25 = 166,253.21 : x
  2. Step 2: Convert to fraction form
    275,164.03/379,730.25 = 166,253.21/x
  3. Step 3: Cross multiply
    275,164.03x = 379,730.25 × 166,253.21
  4. Step 4: Simplify right side
    275,164.03x = 63,131,373,322.48
  5. Step 5: Solve for x
    x = 63,131,373,322.48/275,164.03
  6. Step 6: Final answer
    x = 229,431.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.