Finding the Fourth Proportional to 263,815.87, 363,928.19 and 161,864.08
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Solution
The fourth proportional to 263,815.87, 363,928.19 and 161,864.08 is: 223,287.94
Step by Step Solution
- Step 1: Write the proportion equation
263,815.87 : 363,928.19 = 161,864.08 : x - Step 2: Convert to fraction form
263,815.87/363,928.19 = 161,864.08/x - Step 3: Cross multiply
263,815.87x = 363,928.19 × 161,864.08 - Step 4: Simplify right side
263,815.87x = 58,906,903,410.63 - Step 5: Solve for x
x = 58,906,903,410.63/263,815.87 - Step 6: Final answer
x = 223,287.94
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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.