Finding the Fourth Proportional to 273,891.70, 410,837.55 and 155,793.70
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Solution
The fourth proportional to 273,891.70, 410,837.55 and 155,793.70 is: 233,690.55
Step by Step Solution
- Step 1: Write the proportion equation
273,891.70 : 410,837.55 = 155,793.70 : x - Step 2: Convert to fraction form
273,891.70/410,837.55 = 155,793.70/x - Step 3: Cross multiply
273,891.70x = 410,837.55 × 155,793.70 - Step 4: Simplify right side
273,891.70x = 64,005,902,013.44 - Step 5: Solve for x
x = 64,005,902,013.44/273,891.70 - Step 6: Final answer
x = 233,690.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.