Finding the Fourth Proportional to 213,806.60, 295,059.22 and 118,322.18
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Solution
The fourth proportional to 213,806.60, 295,059.22 and 118,322.18 is: 163,287.99
Step by Step Solution
- Step 1: Write the proportion equation
213,806.60 : 295,059.22 = 118,322.18 : x - Step 2: Convert to fraction form
213,806.60/295,059.22 = 118,322.18/x - Step 3: Cross multiply
213,806.60x = 295,059.22 × 118,322.18 - Step 4: Simplify right side
213,806.60x = 34,912,048,664.20 - Step 5: Solve for x
x = 34,912,048,664.20/213,806.60 - Step 6: Final answer
x = 163,287.99
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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.