Home / 328,815.44-493,245.03-115,557.56

Finding the Fourth Proportional to 328,815.44, 493,245.03 and 115,557.56

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Solution

The fourth proportional to 328,815.44, 493,245.03 and 115,557.56 is: 173,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,815.44 : 493,245.03 = 115,557.56 : x
  2. Step 2: Convert to fraction form
    328,815.44/493,245.03 = 115,557.56/x
  3. Step 3: Cross multiply
    328,815.44x = 493,245.03 × 115,557.56
  4. Step 4: Simplify right side
    328,815.44x = 56,998,192,148.93
  5. Step 5: Solve for x
    x = 56,998,192,148.93/328,815.44
  6. Step 6: Final answer
    x = 173,344.03

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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.