Finding the Fourth Proportional to 311,908.49, 467,537.11 and 226,312.55
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Solution
The fourth proportional to 311,908.49, 467,537.11 and 226,312.55 is: 339,232.56
Step by Step Solution
- Step 1: Write the proportion equation
311,908.49 : 467,537.11 = 226,312.55 : x - Step 2: Convert to fraction form
311,908.49/467,537.11 = 226,312.55/x - Step 3: Cross multiply
311,908.49x = 467,537.11 × 226,312.55 - Step 4: Simplify right side
311,908.49x = 105,809,515,583.73 - Step 5: Solve for x
x = 105,809,515,583.73/311,908.49 - Step 6: Final answer
x = 339,232.56
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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.