Finding the Fourth Proportional to 192,745.11, 265,987.62 and 107,861.97
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Solution
The fourth proportional to 192,745.11, 265,987.62 and 107,861.97 is: 148,849.17
Step by Step Solution
- Step 1: Write the proportion equation
192,745.11 : 265,987.62 = 107,861.97 : x - Step 2: Convert to fraction form
192,745.11/265,987.62 = 107,861.97/x - Step 3: Cross multiply
192,745.11x = 265,987.62 × 107,861.97 - Step 4: Simplify right side
192,745.11x = 28,689,948,688.81 - Step 5: Solve for x
x = 28,689,948,688.81/192,745.11 - Step 6: Final answer
x = 148,849.17
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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.