Home / 274,868.20-379,300.62-161,669.08

Finding the Fourth Proportional to 274,868.20, 379,300.62 and 161,669.08

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Solution

The fourth proportional to 274,868.20, 379,300.62 and 161,669.08 is: 223,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,868.20 : 379,300.62 = 161,669.08 : x
  2. Step 2: Convert to fraction form
    274,868.20/379,300.62 = 161,669.08/x
  3. Step 3: Cross multiply
    274,868.20x = 379,300.62 × 161,669.08
  4. Step 4: Simplify right side
    274,868.20x = 61,321,182,278.83
  5. Step 5: Solve for x
    x = 61,321,182,278.83/274,868.20
  6. Step 6: Final answer
    x = 223,093.04

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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.