Finding the Fourth Proportional to 149,542.26, 206,362.62 and 82,474.26
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Solution
The fourth proportional to 149,542.26, 206,362.62 and 82,474.26 is: 113,811.34
Step by Step Solution
- Step 1: Write the proportion equation
149,542.26 : 206,362.62 = 82,474.26 : x - Step 2: Convert to fraction form
149,542.26/206,362.62 = 82,474.26/x - Step 3: Cross multiply
149,542.26x = 206,362.62 × 82,474.26 - Step 4: Simplify right side
149,542.26x = 17,019,604,376.16 - Step 5: Solve for x
x = 17,019,604,376.16/149,542.26 - Step 6: Final answer
x = 113,811.34
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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.