Finding the Fourth Proportional to 303,142.07, 454,786.14 and 113,604.09
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Solution
The fourth proportional to 303,142.07, 454,786.14 and 113,604.09 is: 170,433.51
Step by Step Solution
- Step 1: Write the proportion equation
303,142.07 : 454,786.14 = 113,604.09 : x - Step 2: Convert to fraction form
303,142.07/454,786.14 = 113,604.09/x - Step 3: Cross multiply
303,142.07x = 454,786.14 × 113,604.09 - Step 4: Simplify right side
303,142.07x = 51,665,565,579.31 - Step 5: Solve for x
x = 51,665,565,579.31/303,142.07 - Step 6: Final answer
x = 170,433.51
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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.