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Finding the Fourth Proportional to 338,940.54, 467,722.35 and 185,975.37

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Solution

The fourth proportional to 338,940.54, 467,722.35 and 185,975.37 is: 256,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,940.54 : 467,722.35 = 185,975.37 : x
  2. Step 2: Convert to fraction form
    338,940.54/467,722.35 = 185,975.37/x
  3. Step 3: Cross multiply
    338,940.54x = 467,722.35 × 185,975.37
  4. Step 4: Simplify right side
    338,940.54x = 86,984,837,098.52
  5. Step 5: Solve for x
    x = 86,984,837,098.52/338,940.54
  6. Step 6: Final answer
    x = 256,637.45

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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.