Home / 355,844.82-533,683.39-131,083.18

Finding the Fourth Proportional to 355,844.82, 533,683.39 and 131,083.18

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Solution

The fourth proportional to 355,844.82, 533,683.39 and 131,083.18 is: 196,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,844.82 : 533,683.39 = 131,083.18 : x
  2. Step 2: Convert to fraction form
    355,844.82/533,683.39 = 131,083.18/x
  3. Step 3: Cross multiply
    355,844.82x = 533,683.39 × 131,083.18
  4. Step 4: Simplify right side
    355,844.82x = 69,956,915,874.38
  5. Step 5: Solve for x
    x = 69,956,915,874.38/355,844.82
  6. Step 6: Final answer
    x = 196,593.89

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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.