Finding the Fourth Proportional to 99,839.08, 149,717.22 and 40,634.56
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Solution
The fourth proportional to 99,839.08, 149,717.22 and 40,634.56 is: 60,934.99
Step by Step Solution
- Step 1: Write the proportion equation
99,839.08 : 149,717.22 = 40,634.56 : x - Step 2: Convert to fraction form
99,839.08/149,717.22 = 40,634.56/x - Step 3: Cross multiply
99,839.08x = 149,717.22 × 40,634.56 - Step 4: Simplify right side
99,839.08x = 6,083,693,359.12 - Step 5: Solve for x
x = 6,083,693,359.12/99,839.08 - Step 6: Final answer
x = 60,934.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.