Finding the Fourth Proportional to 305,056.94, 420,836.19 and 191,942.06
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Solution
The fourth proportional to 305,056.94, 420,836.19 and 191,942.06 is: 264,790.45
Step by Step Solution
- Step 1: Write the proportion equation
305,056.94 : 420,836.19 = 191,942.06 : x - Step 2: Convert to fraction form
305,056.94/420,836.19 = 191,942.06/x - Step 3: Cross multiply
305,056.94x = 420,836.19 × 191,942.06 - Step 4: Simplify right side
305,056.94x = 80,776,165,231.15 - Step 5: Solve for x
x = 80,776,165,231.15/305,056.94 - Step 6: Final answer
x = 264,790.45
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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.