Finding the Fourth Proportional to 181,135.08, 271,663.74 and 113,634.60
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Solution
The fourth proportional to 181,135.08, 271,663.74 and 113,634.60 is: 170,427.51
Step by Step Solution
- Step 1: Write the proportion equation
181,135.08 : 271,663.74 = 113,634.60 : x - Step 2: Convert to fraction form
181,135.08/271,663.74 = 113,634.60/x - Step 3: Cross multiply
181,135.08x = 271,663.74 × 113,634.60 - Step 4: Simplify right side
181,135.08x = 30,870,400,429.40 - Step 5: Solve for x
x = 30,870,400,429.40/181,135.08 - Step 6: Final answer
x = 170,427.51
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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.