Finding the Fourth Proportional to 212,742.47, 319,151.67 and 70,596.26
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Solution
The fourth proportional to 212,742.47, 319,151.67 and 70,596.26 is: 105,906.99
Step by Step Solution
- Step 1: Write the proportion equation
212,742.47 : 319,151.67 = 70,596.26 : x - Step 2: Convert to fraction form
212,742.47/319,151.67 = 70,596.26/x - Step 3: Cross multiply
212,742.47x = 319,151.67 × 70,596.26 - Step 4: Simplify right side
212,742.47x = 22,530,914,274.75 - Step 5: Solve for x
x = 22,530,914,274.75/212,742.47 - Step 6: Final answer
x = 105,906.99
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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.