Finding the Fourth Proportional to 207,722.93, 311,636.83 and 57,963.09
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Solution
The fourth proportional to 207,722.93, 311,636.83 and 57,963.09 is: 86,959.27
Step by Step Solution
- Step 1: Write the proportion equation
207,722.93 : 311,636.83 = 57,963.09 : x - Step 2: Convert to fraction form
207,722.93/311,636.83 = 57,963.09/x - Step 3: Cross multiply
207,722.93x = 311,636.83 × 57,963.09 - Step 4: Simplify right side
207,722.93x = 18,063,434,838.53 - Step 5: Solve for x
x = 18,063,434,838.53/207,722.93 - Step 6: Final answer
x = 86,959.27
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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.