Home / 330,835.40-496,336.24-106,215.92

Finding the Fourth Proportional to 330,835.40, 496,336.24 and 106,215.92

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Solution

The fourth proportional to 330,835.40, 496,336.24 and 106,215.92 is: 159,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,835.40 : 496,336.24 = 106,215.92 : x
  2. Step 2: Convert to fraction form
    330,835.40/496,336.24 = 106,215.92/x
  3. Step 3: Cross multiply
    330,835.40x = 496,336.24 × 106,215.92
  4. Step 4: Simplify right side
    330,835.40x = 52,718,810,360.94
  5. Step 5: Solve for x
    x = 52,718,810,360.94/330,835.40
  6. Step 6: Final answer
    x = 159,350.57

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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.