Finding the Fourth Proportional to 107,218.13, 160,624.17 and 71,571.96
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Solution
The fourth proportional to 107,218.13, 160,624.17 and 71,571.96 is: 107,222.42
Step by Step Solution
- Step 1: Write the proportion equation
107,218.13 : 160,624.17 = 71,571.96 : x - Step 2: Convert to fraction form
107,218.13/160,624.17 = 71,571.96/x - Step 3: Cross multiply
107,218.13x = 160,624.17 × 71,571.96 - Step 4: Simplify right side
107,218.13x = 11,496,186,670.27 - Step 5: Solve for x
x = 11,496,186,670.27/107,218.13 - Step 6: Final answer
x = 107,222.42
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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.