Finding the Fourth Proportional to 428,450.92, 591,261.53 and 234,858.49
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Solution
The fourth proportional to 428,450.92, 591,261.53 and 234,858.49 is: 324,104.31
Step by Step Solution
- Step 1: Write the proportion equation
428,450.92 : 591,261.53 = 234,858.49 : x - Step 2: Convert to fraction form
428,450.92/591,261.53 = 234,858.49/x - Step 3: Cross multiply
428,450.92x = 591,261.53 × 234,858.49 - Step 4: Simplify right side
428,450.92x = 138,862,787,478.44 - Step 5: Solve for x
x = 138,862,787,478.44/428,450.92 - Step 6: Final answer
x = 324,104.31
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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.