Finding the Fourth Proportional to 269,128.26, 371,394.99 and 161,695.53
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Solution
The fourth proportional to 269,128.26, 371,394.99 and 161,695.53 is: 223,138.62
Step by Step Solution
- Step 1: Write the proportion equation
269,128.26 : 371,394.99 = 161,695.53 : x - Step 2: Convert to fraction form
269,128.26/371,394.99 = 161,695.53/x - Step 3: Cross multiply
269,128.26x = 371,394.99 × 161,695.53 - Step 4: Simplify right side
269,128.26x = 60,052,909,747.39 - Step 5: Solve for x
x = 60,052,909,747.39/269,128.26 - Step 6: Final answer
x = 223,138.62
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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.