Finding the Fourth Proportional to 276,861.26, 382,072.11 and 163,683.02
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Solution
The fourth proportional to 276,861.26, 382,072.11 and 163,683.02 is: 225,884.68
Step by Step Solution
- Step 1: Write the proportion equation
276,861.26 : 382,072.11 = 163,683.02 : x - Step 2: Convert to fraction form
276,861.26/382,072.11 = 163,683.02/x - Step 3: Cross multiply
276,861.26x = 382,072.11 × 163,683.02 - Step 4: Simplify right side
276,861.26x = 62,538,716,822.57 - Step 5: Solve for x
x = 62,538,716,822.57/276,861.26 - Step 6: Final answer
x = 225,884.68
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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.