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Finding the Fourth Proportional to 237,486.48, 355,768.56 and 212,249.04

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Solution

The fourth proportional to 237,486.48, 355,768.56 and 212,249.04 is: 317,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,486.48 : 355,768.56 = 212,249.04 : x
  2. Step 2: Convert to fraction form
    237,486.48/355,768.56 = 212,249.04/x
  3. Step 3: Cross multiply
    237,486.48x = 355,768.56 × 212,249.04
  4. Step 4: Simplify right side
    237,486.48x = 75,511,535,322.18
  5. Step 5: Solve for x
    x = 75,511,535,322.18/237,486.48
  6. Step 6: Final answer
    x = 317,961.41

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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.