Home / 330,786.65-496,343.94-131,102.62

Finding the Fourth Proportional to 330,786.65, 496,343.94 and 131,102.62

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Solution

The fourth proportional to 330,786.65, 496,343.94 and 131,102.62 is: 196,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,786.65 : 496,343.94 = 131,102.62 : x
  2. Step 2: Convert to fraction form
    330,786.65/496,343.94 = 131,102.62/x
  3. Step 3: Cross multiply
    330,786.65x = 496,343.94 × 131,102.62
  4. Step 4: Simplify right side
    330,786.65x = 65,071,989,222.63
  5. Step 5: Solve for x
    x = 65,071,989,222.63/330,786.65
  6. Step 6: Final answer
    x = 196,718.91

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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.