Home / 329,921.08-494,782.89-172,063.42

Finding the Fourth Proportional to 329,921.08, 494,782.89 and 172,063.42

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Solution

The fourth proportional to 329,921.08, 494,782.89 and 172,063.42 is: 258,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,921.08 : 494,782.89 = 172,063.42 : x
  2. Step 2: Convert to fraction form
    329,921.08/494,782.89 = 172,063.42/x
  3. Step 3: Cross multiply
    329,921.08x = 494,782.89 × 172,063.42
  4. Step 4: Simplify right side
    329,921.08x = 85,134,036,210.88
  5. Step 5: Solve for x
    x = 85,134,036,210.88/329,921.08
  6. Step 6: Final answer
    x = 258,043.64

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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.