Finding the Fourth Proportional to 213,894.09, 295,161.17 and 118,395.09
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Solution
The fourth proportional to 213,894.09, 295,161.17 and 118,395.09 is: 163,378.21
Step by Step Solution
- Step 1: Write the proportion equation
213,894.09 : 295,161.17 = 118,395.09 : x - Step 2: Convert to fraction form
213,894.09/295,161.17 = 118,395.09/x - Step 3: Cross multiply
213,894.09x = 295,161.17 × 118,395.09 - Step 4: Simplify right side
213,894.09x = 34,945,632,694.68 - Step 5: Solve for x
x = 34,945,632,694.68/213,894.09 - Step 6: Final answer
x = 163,378.21
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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.