Finding the Fourth Proportional to 193,837.80, 267,456.93 and 113,249.73
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Solution
The fourth proportional to 193,837.80, 267,456.93 and 113,249.73 is: 156,261.70
Step by Step Solution
- Step 1: Write the proportion equation
193,837.80 : 267,456.93 = 113,249.73 : x - Step 2: Convert to fraction form
193,837.80/267,456.93 = 113,249.73/x - Step 3: Cross multiply
193,837.80x = 267,456.93 × 113,249.73 - Step 4: Simplify right side
193,837.80x = 30,289,425,109.13 - Step 5: Solve for x
x = 30,289,425,109.13/193,837.80 - Step 6: Final answer
x = 156,261.70
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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.