Finding the Fourth Proportional to 149,516.26, 206,348.88 and 92,143.96
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Solution
The fourth proportional to 149,516.26, 206,348.88 and 92,143.96 is: 127,168.80
Step by Step Solution
- Step 1: Write the proportion equation
149,516.26 : 206,348.88 = 92,143.96 : x - Step 2: Convert to fraction form
149,516.26/206,348.88 = 92,143.96/x - Step 3: Cross multiply
149,516.26x = 206,348.88 × 92,143.96 - Step 4: Simplify right side
149,516.26x = 19,013,802,944.76 - Step 5: Solve for x
x = 19,013,802,944.76/149,516.26 - Step 6: Final answer
x = 127,168.80
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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.