Home / 330,966.14-496,012.86-131,177.61

Finding the Fourth Proportional to 330,966.14, 496,012.86 and 131,177.61

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Solution

The fourth proportional to 330,966.14, 496,012.86 and 131,177.61 is: 196,593.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,966.14 : 496,012.86 = 131,177.61 : x
  2. Step 2: Convert to fraction form
    330,966.14/496,012.86 = 131,177.61/x
  3. Step 3: Cross multiply
    330,966.14x = 496,012.86 × 131,177.61
  4. Step 4: Simplify right side
    330,966.14x = 65,065,781,504.06
  5. Step 5: Solve for x
    x = 65,065,781,504.06/330,966.14
  6. Step 6: Final answer
    x = 196,593.47

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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.