Finding the Fourth Proportional to 263,336.36, 363,403.94 and 148,639.14
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Solution
The fourth proportional to 263,336.36, 363,403.94 and 148,639.14 is: 205,121.88
Step by Step Solution
- Step 1: Write the proportion equation
263,336.36 : 363,403.94 = 148,639.14 : x - Step 2: Convert to fraction form
263,336.36/363,403.94 = 148,639.14/x - Step 3: Cross multiply
263,336.36x = 363,403.94 × 148,639.14 - Step 4: Simplify right side
263,336.36x = 54,016,048,371.02 - Step 5: Solve for x
x = 54,016,048,371.02/263,336.36 - Step 6: Final answer
x = 205,121.88
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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.