Home / 291,274.38-436,961.39-133,516.35

Finding the Fourth Proportional to 291,274.38, 436,961.39 and 133,516.35

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Solution

The fourth proportional to 291,274.38, 436,961.39 and 133,516.35 is: 200,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,274.38 : 436,961.39 = 133,516.35 : x
  2. Step 2: Convert to fraction form
    291,274.38/436,961.39 = 133,516.35/x
  3. Step 3: Cross multiply
    291,274.38x = 436,961.39 × 133,516.35
  4. Step 4: Simplify right side
    291,274.38x = 58,341,489,216.14
  5. Step 5: Solve for x
    x = 58,341,489,216.14/291,274.38
  6. Step 6: Final answer
    x = 200,297.36

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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.