Home / 330,890.30-496,288.60-106,221.16

Finding the Fourth Proportional to 330,890.30, 496,288.60 and 106,221.16

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Solution

The fourth proportional to 330,890.30, 496,288.60 and 106,221.16 is: 159,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,890.30 : 496,288.60 = 106,221.16 : x
  2. Step 2: Convert to fraction form
    330,890.30/496,288.60 = 106,221.16/x
  3. Step 3: Cross multiply
    330,890.30x = 496,288.60 × 106,221.16
  4. Step 4: Simplify right side
    330,890.30x = 52,716,350,786.78
  5. Step 5: Solve for x
    x = 52,716,350,786.78/330,890.30
  6. Step 6: Final answer
    x = 159,316.70

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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.