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Finding the Fourth Proportional to 273,975.98, 378,203.27 and 166,580.33

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Solution

The fourth proportional to 273,975.98, 378,203.27 and 166,580.33 is: 229,951.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,975.98 : 378,203.27 = 166,580.33 : x
  2. Step 2: Convert to fraction form
    273,975.98/378,203.27 = 166,580.33/x
  3. Step 3: Cross multiply
    273,975.98x = 378,203.27 × 166,580.33
  4. Step 4: Simplify right side
    273,975.98x = 63,001,222,799.76
  5. Step 5: Solve for x
    x = 63,001,222,799.76/273,975.98
  6. Step 6: Final answer
    x = 229,951.63

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1.5x scale

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.