Finding the Fourth Proportional to 336,403.44, 504,519.18 and 99,690.84
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Solution
The fourth proportional to 336,403.44, 504,519.18 and 99,690.84 is: 149,510.78
Step by Step Solution
- Step 1: Write the proportion equation
336,403.44 : 504,519.18 = 99,690.84 : x - Step 2: Convert to fraction form
336,403.44/504,519.18 = 99,690.84/x - Step 3: Cross multiply
336,403.44x = 504,519.18 × 99,690.84 - Step 4: Simplify right side
336,403.44x = 50,295,940,850.31 - Step 5: Solve for x
x = 50,295,940,850.31/336,403.44 - Step 6: Final answer
x = 149,510.78
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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.