Finding the Fourth Proportional to 213,978.44, 295,286.63 and 118,483.08
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Solution
The fourth proportional to 213,978.44, 295,286.63 and 118,483.08 is: 163,504.65
Step by Step Solution
- Step 1: Write the proportion equation
213,978.44 : 295,286.63 = 118,483.08 : x - Step 2: Convert to fraction form
213,978.44/295,286.63 = 118,483.08/x - Step 3: Cross multiply
213,978.44x = 295,286.63 × 118,483.08 - Step 4: Simplify right side
213,978.44x = 34,986,469,405.22 - Step 5: Solve for x
x = 34,986,469,405.22/213,978.44 - Step 6: Final answer
x = 163,504.65
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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.