Finding the Fourth Proportional to 305,552.85, 421,684.24 and 202,007.14
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Solution
The fourth proportional to 305,552.85, 421,684.24 and 202,007.14 is: 278,783.94
Step by Step Solution
- Step 1: Write the proportion equation
305,552.85 : 421,684.24 = 202,007.14 : x - Step 2: Convert to fraction form
305,552.85/421,684.24 = 202,007.14/x - Step 3: Cross multiply
305,552.85x = 421,684.24 × 202,007.14 - Step 4: Simplify right side
305,552.85x = 85,183,228,076.81 - Step 5: Solve for x
x = 85,183,228,076.81/305,552.85 - Step 6: Final answer
x = 278,783.94
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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.