Finding the Fourth Proportional to 382,996.24, 574,756.88 and 133,678.24
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Solution
The fourth proportional to 382,996.24, 574,756.88 and 133,678.24 is: 200,608.99
Step by Step Solution
- Step 1: Write the proportion equation
382,996.24 : 574,756.88 = 133,678.24 : x - Step 2: Convert to fraction form
382,996.24/574,756.88 = 133,678.24/x - Step 3: Cross multiply
382,996.24x = 574,756.88 × 133,678.24 - Step 4: Simplify right side
382,996.24x = 76,832,488,146.29 - Step 5: Solve for x
x = 76,832,488,146.29/382,996.24 - Step 6: Final answer
x = 200,608.99
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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.