Finding the Fourth Proportional to 171,586.68, 257,292.26 and 71,719.62
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Solution
The fourth proportional to 171,586.68, 257,292.26 and 71,719.62 is: 107,542.75
Step by Step Solution
- Step 1: Write the proportion equation
171,586.68 : 257,292.26 = 71,719.62 : x - Step 2: Convert to fraction form
171,586.68/257,292.26 = 71,719.62/x - Step 3: Cross multiply
171,586.68x = 257,292.26 × 71,719.62 - Step 4: Simplify right side
171,586.68x = 18,452,902,757.54 - Step 5: Solve for x
x = 18,452,902,757.54/171,586.68 - Step 6: Final answer
x = 107,542.75
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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.