Finding the Fourth Proportional to 202,101.24, 278,896.86 and 117,232.68
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Solution
The fourth proportional to 202,101.24, 278,896.86 and 117,232.68 is: 161,779.44
Step by Step Solution
- Step 1: Write the proportion equation
202,101.24 : 278,896.86 = 117,232.68 : x - Step 2: Convert to fraction form
202,101.24/278,896.86 = 117,232.68/x - Step 3: Cross multiply
202,101.24x = 278,896.86 × 117,232.68 - Step 4: Simplify right side
202,101.24x = 32,695,826,341.38 - Step 5: Solve for x
x = 32,695,826,341.38/202,101.24 - Step 6: Final answer
x = 161,779.44
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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.