Finding the Fourth Proportional to 511,013.84, 705,042.99 and 296,112.38
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Solution
The fourth proportional to 511,013.84, 705,042.99 and 296,112.38 is: 408,544.63
Step by Step Solution
- Step 1: Write the proportion equation
511,013.84 : 705,042.99 = 296,112.38 : x - Step 2: Convert to fraction form
511,013.84/705,042.99 = 296,112.38/x - Step 3: Cross multiply
511,013.84x = 705,042.99 × 296,112.38 - Step 4: Simplify right side
511,013.84x = 208,771,957,771.22 - Step 5: Solve for x
x = 208,771,957,771.22/511,013.84 - Step 6: Final answer
x = 408,544.63
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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.