Home / 330,826.80-496,240.20-131,080.80

Finding the Fourth Proportional to 330,826.80, 496,240.20 and 131,080.80

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Solution

The fourth proportional to 330,826.80, 496,240.20 and 131,080.80 is: 196,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,826.80 : 496,240.20 = 131,080.80 : x
  2. Step 2: Convert to fraction form
    330,826.80/496,240.20 = 131,080.80/x
  3. Step 3: Cross multiply
    330,826.80x = 496,240.20 × 131,080.80
  4. Step 4: Simplify right side
    330,826.80x = 65,047,562,408.16
  5. Step 5: Solve for x
    x = 65,047,562,408.16/330,826.80
  6. Step 6: Final answer
    x = 196,621.20

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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.