Home / 330,967.14-496,014.36-131,178.61

Finding the Fourth Proportional to 330,967.14, 496,014.36 and 131,178.61

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Solution

The fourth proportional to 330,967.14, 496,014.36 and 131,178.61 is: 196,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,967.14 : 496,014.36 = 131,178.61 : x
  2. Step 2: Convert to fraction form
    330,967.14/496,014.36 = 131,178.61/x
  3. Step 3: Cross multiply
    330,967.14x = 496,014.36 × 131,178.61
  4. Step 4: Simplify right side
    330,967.14x = 65,066,474,284.84
  5. Step 5: Solve for x
    x = 65,066,474,284.84/330,967.14
  6. Step 6: Final answer
    x = 196,594.97

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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.