Home / 330,317.12-494,680.60-187,813.78

Finding the Fourth Proportional to 330,317.12, 494,680.60 and 187,813.78

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Solution

The fourth proportional to 330,317.12, 494,680.60 and 187,813.78 is: 281,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,317.12 : 494,680.60 = 187,813.78 : x
  2. Step 2: Convert to fraction form
    330,317.12/494,680.60 = 187,813.78/x
  3. Step 3: Cross multiply
    330,317.12x = 494,680.60 × 187,813.78
  4. Step 4: Simplify right side
    330,317.12x = 92,907,833,378.67
  5. Step 5: Solve for x
    x = 92,907,833,378.67/330,317.12
  6. Step 6: Final answer
    x = 281,268.60

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1.5x scale

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.