Home / 330,826.94-496,243.75-131,148.98

Finding the Fourth Proportional to 330,826.94, 496,243.75 and 131,148.98

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Solution

The fourth proportional to 330,826.94, 496,243.75 and 131,148.98 is: 196,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,826.94 : 496,243.75 = 131,148.98 : x
  2. Step 2: Convert to fraction form
    330,826.94/496,243.75 = 131,148.98/x
  3. Step 3: Cross multiply
    330,826.94x = 496,243.75 × 131,148.98
  4. Step 4: Simplify right side
    330,826.94x = 65,081,861,187.51
  5. Step 5: Solve for x
    x = 65,081,861,187.51/330,826.94
  6. Step 6: Final answer
    x = 196,724.79

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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.