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Finding the Fourth Proportional to 291,896.62, 437,844.93 and 225,433.69

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Solution

The fourth proportional to 291,896.62, 437,844.93 and 225,433.69 is: 338,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,896.62 : 437,844.93 = 225,433.69 : x
  2. Step 2: Convert to fraction form
    291,896.62/437,844.93 = 225,433.69/x
  3. Step 3: Cross multiply
    291,896.62x = 437,844.93 × 225,433.69
  4. Step 4: Simplify right side
    291,896.62x = 98,704,998,217.69
  5. Step 5: Solve for x
    x = 98,704,998,217.69/291,896.62
  6. Step 6: Final answer
    x = 338,150.54

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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.