Finding the Fourth Proportional to 149,546.37, 206,368.26 and 82,478.37
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Solution
The fourth proportional to 149,546.37, 206,368.26 and 82,478.37 is: 113,816.99
Step by Step Solution
- Step 1: Write the proportion equation
149,546.37 : 206,368.26 = 82,478.37 : x - Step 2: Convert to fraction form
149,546.37/206,368.26 = 82,478.37/x - Step 3: Cross multiply
149,546.37x = 206,368.26 × 82,478.37 - Step 4: Simplify right side
149,546.37x = 17,020,917,704.54 - Step 5: Solve for x
x = 17,020,917,704.54/149,546.37 - Step 6: Final answer
x = 113,816.99
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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.