Finding the Fourth Proportional to 228,435.75, 315,197.60 and 147,852.09
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Solution
The fourth proportional to 228,435.75, 315,197.60 and 147,852.09 is: 204,007.57
Step by Step Solution
- Step 1: Write the proportion equation
228,435.75 : 315,197.60 = 147,852.09 : x - Step 2: Convert to fraction form
228,435.75/315,197.60 = 147,852.09/x - Step 3: Cross multiply
228,435.75x = 315,197.60 × 147,852.09 - Step 4: Simplify right side
228,435.75x = 46,602,623,183.72 - Step 5: Solve for x
x = 46,602,623,183.72/228,435.75 - Step 6: Final answer
x = 204,007.57
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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.