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Finding the Fourth Proportional to 341,238.48, 510,807.78 and 222,654.48

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Solution

The fourth proportional to 341,238.48, 510,807.78 and 222,654.48 is: 333,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,238.48 : 510,807.78 = 222,654.48 : x
  2. Step 2: Convert to fraction form
    341,238.48/510,807.78 = 222,654.48/x
  3. Step 3: Cross multiply
    341,238.48x = 510,807.78 × 222,654.48
  4. Step 4: Simplify right side
    341,238.48x = 113,733,640,635.85
  5. Step 5: Solve for x
    x = 113,733,640,635.85/341,238.48
  6. Step 6: Final answer
    x = 333,296.65

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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.