Home / 225,579.14-311,299.29-123,603.77

Finding the Fourth Proportional to 225,579.14, 311,299.29 and 123,603.77

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Solution

The fourth proportional to 225,579.14, 311,299.29 and 123,603.77 is: 170,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,579.14 : 311,299.29 = 123,603.77 : x
  2. Step 2: Convert to fraction form
    225,579.14/311,299.29 = 123,603.77/x
  3. Step 3: Cross multiply
    225,579.14x = 311,299.29 × 123,603.77
  4. Step 4: Simplify right side
    225,579.14x = 38,477,766,446.75
  5. Step 5: Solve for x
    x = 38,477,766,446.75/225,579.14
  6. Step 6: Final answer
    x = 170,573.25

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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.