Home / 275,268.03-379,912.46-154,458.15

Finding the Fourth Proportional to 275,268.03, 379,912.46 and 154,458.15

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Solution

The fourth proportional to 275,268.03, 379,912.46 and 154,458.15 is: 213,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,268.03 : 379,912.46 = 154,458.15 : x
  2. Step 2: Convert to fraction form
    275,268.03/379,912.46 = 154,458.15/x
  3. Step 3: Cross multiply
    275,268.03x = 379,912.46 × 154,458.15
  4. Step 4: Simplify right side
    275,268.03x = 58,680,574,961.26
  5. Step 5: Solve for x
    x = 58,680,574,961.26/275,268.03
  6. Step 6: Final answer
    x = 213,176.14

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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.