Finding the Fourth Proportional to 227,713.70, 341,570.55 and 212,161.70
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Solution
The fourth proportional to 227,713.70, 341,570.55 and 212,161.70 is: 318,242.55
Step by Step Solution
- Step 1: Write the proportion equation
227,713.70 : 341,570.55 = 212,161.70 : x - Step 2: Convert to fraction form
227,713.70/341,570.55 = 212,161.70/x - Step 3: Cross multiply
227,713.70x = 341,570.55 × 212,161.70 - Step 4: Simplify right side
227,713.70x = 72,468,188,557.94 - Step 5: Solve for x
x = 72,468,188,557.94/227,713.70 - Step 6: Final answer
x = 318,242.55
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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.