Finding the Fourth Proportional to 180,891.09, 271,389.69 and 81,029.07
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Solution
The fourth proportional to 180,891.09, 271,389.69 and 81,029.07 is: 121,567.37
Step by Step Solution
- Step 1: Write the proportion equation
180,891.09 : 271,389.69 = 81,029.07 : x - Step 2: Convert to fraction form
180,891.09/271,389.69 = 81,029.07/x - Step 3: Cross multiply
180,891.09x = 271,389.69 × 81,029.07 - Step 4: Simplify right side
180,891.09x = 21,990,454,188.29 - Step 5: Solve for x
x = 21,990,454,188.29/180,891.09 - Step 6: Final answer
x = 121,567.37
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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.