Finding the Fourth Proportional to 146,802.91, 202,578.42 and 86,361.88
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Solution
The fourth proportional to 146,802.91, 202,578.42 and 86,361.88 is: 119,173.75
Step by Step Solution
- Step 1: Write the proportion equation
146,802.91 : 202,578.42 = 86,361.88 : x - Step 2: Convert to fraction form
146,802.91/202,578.42 = 86,361.88/x - Step 3: Cross multiply
146,802.91x = 202,578.42 × 86,361.88 - Step 4: Simplify right side
146,802.91x = 17,495,053,198.63 - Step 5: Solve for x
x = 17,495,053,198.63/146,802.91 - Step 6: Final answer
x = 119,173.75
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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.