Finding the Fourth Proportional to 303,529.88, 418,874.64 and 167,563.92
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Solution
The fourth proportional to 303,529.88, 418,874.64 and 167,563.92 is: 231,240.09
Step by Step Solution
- Step 1: Write the proportion equation
303,529.88 : 418,874.64 = 167,563.92 : x - Step 2: Convert to fraction form
303,529.88/418,874.64 = 167,563.92/x - Step 3: Cross multiply
303,529.88x = 418,874.64 × 167,563.92 - Step 4: Simplify right side
303,529.88x = 70,188,276,666.99 - Step 5: Solve for x
x = 70,188,276,666.99/303,529.88 - Step 6: Final answer
x = 231,240.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.