Home / 330,784.97-496,341.41-131,100.93

Finding the Fourth Proportional to 330,784.97, 496,341.41 and 131,100.93

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Solution

The fourth proportional to 330,784.97, 496,341.41 and 131,100.93 is: 196,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,784.97 : 496,341.41 = 131,100.93 : x
  2. Step 2: Convert to fraction form
    330,784.97/496,341.41 = 131,100.93/x
  3. Step 3: Cross multiply
    330,784.97x = 496,341.41 × 131,100.93
  4. Step 4: Simplify right side
    330,784.97x = 65,070,819,793.01
  5. Step 5: Solve for x
    x = 65,070,819,793.01/330,784.97
  6. Step 6: Final answer
    x = 196,716.38

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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.