Home / 330,852.80-496,036.20-131,074.40

Finding the Fourth Proportional to 330,852.80, 496,036.20 and 131,074.40

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Solution

The fourth proportional to 330,852.80, 496,036.20 and 131,074.40 is: 196,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,852.80 : 496,036.20 = 131,074.40 : x
  2. Step 2: Convert to fraction form
    330,852.80/496,036.20 = 131,074.40/x
  3. Step 3: Cross multiply
    330,852.80x = 496,036.20 × 131,074.40
  4. Step 4: Simplify right side
    330,852.80x = 65,017,647,293.28
  5. Step 5: Solve for x
    x = 65,017,647,293.28/330,852.80
  6. Step 6: Final answer
    x = 196,515.33

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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.