Home / 329,922.08-494,784.39-172,064.42

Finding the Fourth Proportional to 329,922.08, 494,784.39 and 172,064.42

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Solution

The fourth proportional to 329,922.08, 494,784.39 and 172,064.42 is: 258,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,922.08 : 494,784.39 = 172,064.42 : x
  2. Step 2: Convert to fraction form
    329,922.08/494,784.39 = 172,064.42/x
  3. Step 3: Cross multiply
    329,922.08x = 494,784.39 × 172,064.42
  4. Step 4: Simplify right side
    329,922.08x = 85,134,786,616.48
  5. Step 5: Solve for x
    x = 85,134,786,616.48/329,922.08
  6. Step 6: Final answer
    x = 258,045.14

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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.