Finding the Fourth Proportional to 481,369.12, 664,313.88 and 266,532.84
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Solution
The fourth proportional to 481,369.12, 664,313.88 and 266,532.84 is: 367,828.88
Step by Step Solution
- Step 1: Write the proportion equation
481,369.12 : 664,313.88 = 266,532.84 : x - Step 2: Convert to fraction form
481,369.12/664,313.88 = 266,532.84/x - Step 3: Cross multiply
481,369.12x = 664,313.88 × 266,532.84 - Step 4: Simplify right side
481,369.12x = 177,061,465,087.82 - Step 5: Solve for x
x = 177,061,465,087.82/481,369.12 - Step 6: Final answer
x = 367,828.88
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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.