Finding the Fourth Proportional to 149,512.75, 206,324.54 and 82,444.75
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Solution
The fourth proportional to 149,512.75, 206,324.54 and 82,444.75 is: 113,772.07
Step by Step Solution
- Step 1: Write the proportion equation
149,512.75 : 206,324.54 = 82,444.75 : x - Step 2: Convert to fraction form
149,512.75/206,324.54 = 82,444.75/x - Step 3: Cross multiply
149,512.75x = 206,324.54 × 82,444.75 - Step 4: Simplify right side
149,512.75x = 17,010,374,087.54 - Step 5: Solve for x
x = 17,010,374,087.54/149,512.75 - Step 6: Final answer
x = 113,772.07
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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.