Home / 330,764.96-496,311.45-131,080.93

Finding the Fourth Proportional to 330,764.96, 496,311.45 and 131,080.93

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Solution

The fourth proportional to 330,764.96, 496,311.45 and 131,080.93 is: 196,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,764.96 : 496,311.45 = 131,080.93 : x
  2. Step 2: Convert to fraction form
    330,764.96/496,311.45 = 131,080.93/x
  3. Step 3: Cross multiply
    330,764.96x = 496,311.45 × 131,080.93
  4. Step 4: Simplify right side
    330,764.96x = 65,056,966,435.65
  5. Step 5: Solve for x
    x = 65,056,966,435.65/330,764.96
  6. Step 6: Final answer
    x = 196,686.39

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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.