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Finding the Fourth Proportional to 222,409.85, 333,474.59 and 188,687.63

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Solution

The fourth proportional to 222,409.85, 333,474.59 and 188,687.63 is: 282,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,409.85 : 333,474.59 = 188,687.63 : x
  2. Step 2: Convert to fraction form
    222,409.85/333,474.59 = 188,687.63/x
  3. Step 3: Cross multiply
    222,409.85x = 333,474.59 × 188,687.63
  4. Step 4: Simplify right side
    222,409.85x = 62,922,531,357.73
  5. Step 5: Solve for x
    x = 62,922,531,357.73/222,409.85
  6. Step 6: Final answer
    x = 282,912.53

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1.5x scale

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.