Finding the Fourth Proportional to 202,135.73, 278,736.26 and 140,953.03
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Solution
The fourth proportional to 202,135.73, 278,736.26 and 140,953.03 is: 194,368.01
Step by Step Solution
- Step 1: Write the proportion equation
202,135.73 : 278,736.26 = 140,953.03 : x - Step 2: Convert to fraction form
202,135.73/278,736.26 = 140,953.03/x - Step 3: Cross multiply
202,135.73x = 278,736.26 × 140,953.03 - Step 4: Simplify right side
202,135.73x = 39,288,719,016.26 - Step 5: Solve for x
x = 39,288,719,016.26/202,135.73 - Step 6: Final answer
x = 194,368.01
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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.