Finding the Fourth Proportional to 170,265.88, 234,969.42 and 98,651.08
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Solution
The fourth proportional to 170,265.88, 234,969.42 and 98,651.08 is: 136,139.94
Step by Step Solution
- Step 1: Write the proportion equation
170,265.88 : 234,969.42 = 98,651.08 : x - Step 2: Convert to fraction form
170,265.88/234,969.42 = 98,651.08/x - Step 3: Cross multiply
170,265.88x = 234,969.42 × 98,651.08 - Step 4: Simplify right side
170,265.88x = 23,179,987,049.97 - Step 5: Solve for x
x = 23,179,987,049.97/170,265.88 - Step 6: Final answer
x = 136,139.94
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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.