Home / 329,821.05-494,895.60-130,147.95

Finding the Fourth Proportional to 329,821.05, 494,895.60 and 130,147.95

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Solution

The fourth proportional to 329,821.05, 494,895.60 and 130,147.95 is: 195,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,821.05 : 494,895.60 = 130,147.95 : x
  2. Step 2: Convert to fraction form
    329,821.05/494,895.60 = 130,147.95/x
  3. Step 3: Cross multiply
    329,821.05x = 494,895.60 × 130,147.95
  4. Step 4: Simplify right side
    329,821.05x = 64,409,647,804.02
  5. Step 5: Solve for x
    x = 64,409,647,804.02/329,821.05
  6. Step 6: Final answer
    x = 195,286.65

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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.