Finding the Fourth Proportional to 117,538.22, 162,201.06 and 66,549.62
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Solution
The fourth proportional to 117,538.22, 162,201.06 and 66,549.62 is: 91,837.52
Step by Step Solution
- Step 1: Write the proportion equation
117,538.22 : 162,201.06 = 66,549.62 : x - Step 2: Convert to fraction form
117,538.22/162,201.06 = 66,549.62/x - Step 3: Cross multiply
117,538.22x = 162,201.06 × 66,549.62 - Step 4: Simplify right side
117,538.22x = 10,794,418,906.60 - Step 5: Solve for x
x = 10,794,418,906.60/117,538.22 - Step 6: Final answer
x = 91,837.52
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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.