Finding the Fourth Proportional to 312,678.70, 467,896.91 and 270,703.15
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Solution
The fourth proportional to 312,678.70, 467,896.91 and 270,703.15 is: 405,084.09
Step by Step Solution
- Step 1: Write the proportion equation
312,678.70 : 467,896.91 = 270,703.15 : x - Step 2: Convert to fraction form
312,678.70/467,896.91 = 270,703.15/x - Step 3: Cross multiply
312,678.70x = 467,896.91 × 270,703.15 - Step 4: Simplify right side
312,678.70x = 126,661,164,889.01 - Step 5: Solve for x
x = 126,661,164,889.01/312,678.70 - Step 6: Final answer
x = 405,084.09
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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.