Home / 325,828.90-449,625.36-189,884.98

Finding the Fourth Proportional to 325,828.90, 449,625.36 and 189,884.98

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Solution

The fourth proportional to 325,828.90, 449,625.36 and 189,884.98 is: 262,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,828.90 : 449,625.36 = 189,884.98 : x
  2. Step 2: Convert to fraction form
    325,828.90/449,625.36 = 189,884.98/x
  3. Step 3: Cross multiply
    325,828.90x = 449,625.36 × 189,884.98
  4. Step 4: Simplify right side
    325,828.90x = 85,377,102,491.09
  5. Step 5: Solve for x
    x = 85,377,102,491.09/325,828.90
  6. Step 6: Final answer
    x = 262,030.48

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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.