Home / 329,728.10-494,333.77-130,197.83

Finding the Fourth Proportional to 329,728.10, 494,333.77 and 130,197.83

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Solution

The fourth proportional to 329,728.10, 494,333.77 and 130,197.83 is: 195,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,728.10 : 494,333.77 = 130,197.83 : x
  2. Step 2: Convert to fraction form
    329,728.10/494,333.77 = 130,197.83/x
  3. Step 3: Cross multiply
    329,728.10x = 494,333.77 × 130,197.83
  4. Step 4: Simplify right side
    329,728.10x = 64,361,184,377.30
  5. Step 5: Solve for x
    x = 64,361,184,377.30/329,728.10
  6. Step 6: Final answer
    x = 195,194.72

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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.