Finding the Fourth Proportional to 121,880.27, 182,843.30 and 55,325.09
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Solution
The fourth proportional to 121,880.27, 182,843.30 and 55,325.09 is: 82,998.02
Step by Step Solution
- Step 1: Write the proportion equation
121,880.27 : 182,843.30 = 55,325.09 : x - Step 2: Convert to fraction form
121,880.27/182,843.30 = 55,325.09/x - Step 3: Cross multiply
121,880.27x = 182,843.30 × 55,325.09 - Step 4: Simplify right side
121,880.27x = 10,115,820,837.56 - Step 5: Solve for x
x = 10,115,820,837.56/121,880.27 - Step 6: Final answer
x = 82,998.02
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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.