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Finding the Fourth Proportional to 339,842.88, 468,975.54 and 184,790.83

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Solution

The fourth proportional to 339,842.88, 468,975.54 and 184,790.83 is: 255,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,842.88 : 468,975.54 = 184,790.83 : x
  2. Step 2: Convert to fraction form
    339,842.88/468,975.54 = 184,790.83/x
  3. Step 3: Cross multiply
    339,842.88x = 468,975.54 × 184,790.83
  4. Step 4: Simplify right side
    339,842.88x = 86,662,379,286.30
  5. Step 5: Solve for x
    x = 86,662,379,286.30/339,842.88
  6. Step 6: Final answer
    x = 255,007.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.