Finding the Fourth Proportional to 212,234.49, 318,274.70 and 116,243.01
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Solution
The fourth proportional to 212,234.49, 318,274.70 and 116,243.01 is: 174,322.32
Step by Step Solution
- Step 1: Write the proportion equation
212,234.49 : 318,274.70 = 116,243.01 : x - Step 2: Convert to fraction form
212,234.49/318,274.70 = 116,243.01/x - Step 3: Cross multiply
212,234.49x = 318,274.70 × 116,243.01 - Step 4: Simplify right side
212,234.49x = 36,997,208,553.63 - Step 5: Solve for x
x = 36,997,208,553.63/212,234.49 - Step 6: Final answer
x = 174,322.32
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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.