Home / 328,821.87-493,247.16-104,198.86

Finding the Fourth Proportional to 328,821.87, 493,247.16 and 104,198.86

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Solution

The fourth proportional to 328,821.87, 493,247.16 and 104,198.86 is: 156,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,821.87 : 493,247.16 = 104,198.86 : x
  2. Step 2: Convert to fraction form
    328,821.87/493,247.16 = 104,198.86/x
  3. Step 3: Cross multiply
    328,821.87x = 493,247.16 × 104,198.86
  4. Step 4: Simplify right side
    328,821.87x = 51,395,791,770.24
  5. Step 5: Solve for x
    x = 51,395,791,770.24/328,821.87
  6. Step 6: Final answer
    x = 156,302.84

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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.