Home / 275,826.94-380,679.54-154,977.56

Finding the Fourth Proportional to 275,826.94, 380,679.54 and 154,977.56

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Solution

The fourth proportional to 275,826.94, 380,679.54 and 154,977.56 is: 213,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,826.94 : 380,679.54 = 154,977.56 : x
  2. Step 2: Convert to fraction form
    275,826.94/380,679.54 = 154,977.56/x
  3. Step 3: Cross multiply
    275,826.94x = 380,679.54 × 154,977.56
  4. Step 4: Simplify right side
    275,826.94x = 58,996,786,251.12
  5. Step 5: Solve for x
    x = 58,996,786,251.12/275,826.94
  6. Step 6: Final answer
    x = 213,890.59

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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.