Home / 329,728.10-494,582.88-105,102.02

Finding the Fourth Proportional to 329,728.10, 494,582.88 and 105,102.02

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Solution

The fourth proportional to 329,728.10, 494,582.88 and 105,102.02 is: 157,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,728.10 : 494,582.88 = 105,102.02 : x
  2. Step 2: Convert to fraction form
    329,728.10/494,582.88 = 105,102.02/x
  3. Step 3: Cross multiply
    329,728.10x = 494,582.88 × 105,102.02
  4. Step 4: Simplify right side
    329,728.10x = 51,981,659,745.42
  5. Step 5: Solve for x
    x = 51,981,659,745.42/329,728.10
  6. Step 6: Final answer
    x = 157,650.08

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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.