Finding the Fourth Proportional to 428,974.75, 591,992.97 and 235,392.44
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Solution
The fourth proportional to 428,974.75, 591,992.97 and 235,392.44 is: 324,845.86
Step by Step Solution
- Step 1: Write the proportion equation
428,974.75 : 591,992.97 = 235,392.44 : x - Step 2: Convert to fraction form
428,974.75/591,992.97 = 235,392.44/x - Step 3: Cross multiply
428,974.75x = 591,992.97 × 235,392.44 - Step 4: Simplify right side
428,974.75x = 139,350,669,671.15 - Step 5: Solve for x
x = 139,350,669,671.15/428,974.75 - Step 6: Final answer
x = 324,845.86
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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.