Home / 325,834.45-449,703.70-189,947.94

Finding the Fourth Proportional to 325,834.45, 449,703.70 and 189,947.94

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Solution

The fourth proportional to 325,834.45, 449,703.70 and 189,947.94 is: 262,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,834.45 : 449,703.70 = 189,947.94 : x
  2. Step 2: Convert to fraction form
    325,834.45/449,703.70 = 189,947.94/x
  3. Step 3: Cross multiply
    325,834.45x = 449,703.70 × 189,947.94
  4. Step 4: Simplify right side
    325,834.45x = 85,420,289,264.12
  5. Step 5: Solve for x
    x = 85,420,289,264.12/325,834.45
  6. Step 6: Final answer
    x = 262,158.56

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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.