Finding the Fourth Proportional to 287,723.03, 397,059.48 and 166,936.23
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Solution
The fourth proportional to 287,723.03, 397,059.48 and 166,936.23 is: 230,372.99
Step by Step Solution
- Step 1: Write the proportion equation
287,723.03 : 397,059.48 = 166,936.23 : x - Step 2: Convert to fraction form
287,723.03/397,059.48 = 166,936.23/x - Step 3: Cross multiply
287,723.03x = 397,059.48 × 166,936.23 - Step 4: Simplify right side
287,723.03x = 66,283,612,676.96 - Step 5: Solve for x
x = 66,283,612,676.96/287,723.03 - Step 6: Final answer
x = 230,372.99
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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.