Home / 329,467.12-494,194.88-80,151.28

Finding the Fourth Proportional to 329,467.12, 494,194.88 and 80,151.28

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Solution

The fourth proportional to 329,467.12, 494,194.88 and 80,151.28 is: 120,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,467.12 : 494,194.88 = 80,151.28 : x
  2. Step 2: Convert to fraction form
    329,467.12/494,194.88 = 80,151.28/x
  3. Step 3: Cross multiply
    329,467.12x = 494,194.88 × 80,151.28
  4. Step 4: Simplify right side
    329,467.12x = 39,610,352,201.45
  5. Step 5: Solve for x
    x = 39,610,352,201.45/329,467.12
  6. Step 6: Final answer
    x = 120,225.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.