Finding the Fourth Proportional to 208,838.05, 312,563.91 and 190,161.07
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Solution
The fourth proportional to 208,838.05, 312,563.91 and 190,161.07 is: 284,610.43
Step by Step Solution
- Step 1: Write the proportion equation
208,838.05 : 312,563.91 = 190,161.07 : x - Step 2: Convert to fraction form
208,838.05/312,563.91 = 190,161.07/x - Step 3: Cross multiply
208,838.05x = 312,563.91 × 190,161.07 - Step 4: Simplify right side
208,838.05x = 59,437,487,500.68 - Step 5: Solve for x
x = 59,437,487,500.68/208,838.05 - Step 6: Final answer
x = 284,610.43
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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.