Home / 259,230.08-388,704.38-116,908.86

Finding the Fourth Proportional to 259,230.08, 388,704.38 and 116,908.86

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Solution

The fourth proportional to 259,230.08, 388,704.38 and 116,908.86 is: 175,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,230.08 : 388,704.38 = 116,908.86 : x
  2. Step 2: Convert to fraction form
    259,230.08/388,704.38 = 116,908.86/x
  3. Step 3: Cross multiply
    259,230.08x = 388,704.38 × 116,908.86
  4. Step 4: Simplify right side
    259,230.08x = 45,442,985,942.81
  5. Step 5: Solve for x
    x = 45,442,985,942.81/259,230.08
  6. Step 6: Final answer
    x = 175,299.82

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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.