Home / 330,815.40-496,352.70-131,101.80

Finding the Fourth Proportional to 330,815.40, 496,352.70 and 131,101.80

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Solution

The fourth proportional to 330,815.40, 496,352.70 and 131,101.80 is: 196,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,815.40 : 496,352.70 = 131,101.80 : x
  2. Step 2: Convert to fraction form
    330,815.40/496,352.70 = 131,101.80/x
  3. Step 3: Cross multiply
    330,815.40x = 496,352.70 × 131,101.80
  4. Step 4: Simplify right side
    330,815.40x = 65,072,732,404.86
  5. Step 5: Solve for x
    x = 65,072,732,404.86/330,815.40
  6. Step 6: Final answer
    x = 196,704.06

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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.