Finding the Fourth Proportional to 168,486.23, 232,115.84 and 117,406.26
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Solution
The fourth proportional to 168,486.23, 232,115.84 and 117,406.26 is: 161,745.29
Step by Step Solution
- Step 1: Write the proportion equation
168,486.23 : 232,115.84 = 117,406.26 : x - Step 2: Convert to fraction form
168,486.23/232,115.84 = 117,406.26/x - Step 3: Cross multiply
168,486.23x = 232,115.84 × 117,406.26 - Step 4: Simplify right side
168,486.23x = 27,251,853,174.81 - Step 5: Solve for x
x = 27,251,853,174.81/168,486.23 - Step 6: Final answer
x = 161,745.29
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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.