Finding the Fourth Proportional to 180,983.26, 271,463.81 and 81,116.64
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Solution
The fourth proportional to 180,983.26, 271,463.81 and 81,116.64 is: 121,669.99
Step by Step Solution
- Step 1: Write the proportion equation
180,983.26 : 271,463.81 = 81,116.64 : x - Step 2: Convert to fraction form
180,983.26/271,463.81 = 81,116.64/x - Step 3: Cross multiply
180,983.26x = 271,463.81 × 81,116.64 - Step 4: Simplify right side
180,983.26x = 22,020,231,743.22 - Step 5: Solve for x
x = 22,020,231,743.22/180,983.26 - Step 6: Final answer
x = 121,669.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.