Finding the Fourth Proportional to 305,941.94, 422,260.32 and 195,489.98
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Solution
The fourth proportional to 305,941.94, 422,260.32 and 195,489.98 is: 269,814.79
Step by Step Solution
- Step 1: Write the proportion equation
305,941.94 : 422,260.32 = 195,489.98 : x - Step 2: Convert to fraction form
305,941.94/422,260.32 = 195,489.98/x - Step 3: Cross multiply
305,941.94x = 422,260.32 × 195,489.98 - Step 4: Simplify right side
305,941.94x = 82,547,661,511.59 - Step 5: Solve for x
x = 82,547,661,511.59/305,941.94 - Step 6: Final answer
x = 269,814.79
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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.