Finding the Fourth Proportional to 305,366.36, 457,989.26 and 102,942.43
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Solution
The fourth proportional to 305,366.36, 457,989.26 and 102,942.43 is: 154,393.32
Step by Step Solution
- Step 1: Write the proportion equation
305,366.36 : 457,989.26 = 102,942.43 : x - Step 2: Convert to fraction form
305,366.36/457,989.26 = 102,942.43/x - Step 3: Cross multiply
305,366.36x = 457,989.26 × 102,942.43 - Step 4: Simplify right side
305,366.36x = 47,146,525,678.62 - Step 5: Solve for x
x = 47,146,525,678.62/305,366.36 - Step 6: Final answer
x = 154,393.32
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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.