Home / 329,868.18-494,469.36-130,078.44

Finding the Fourth Proportional to 329,868.18, 494,469.36 and 130,078.44

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Solution

The fourth proportional to 329,868.18, 494,469.36 and 130,078.44 is: 194,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,868.18 : 494,469.36 = 130,078.44 : x
  2. Step 2: Convert to fraction form
    329,868.18/494,469.36 = 130,078.44/x
  3. Step 3: Cross multiply
    329,868.18x = 494,469.36 × 130,078.44
  4. Step 4: Simplify right side
    329,868.18x = 64,319,802,976.60
  5. Step 5: Solve for x
    x = 64,319,802,976.60/329,868.18
  6. Step 6: Final answer
    x = 194,986.38

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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.