Finding the Fourth Proportional to 203,645.09, 281,034.71 and 112,998.19
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Solution
The fourth proportional to 203,645.09, 281,034.71 and 112,998.19 is: 155,939.99
Step by Step Solution
- Step 1: Write the proportion equation
203,645.09 : 281,034.71 = 112,998.19 : x - Step 2: Convert to fraction form
203,645.09/281,034.71 = 112,998.19/x - Step 3: Cross multiply
203,645.09x = 281,034.71 × 112,998.19 - Step 4: Simplify right side
203,645.09x = 31,756,413,137.08 - Step 5: Solve for x
x = 31,756,413,137.08/203,645.09 - Step 6: Final answer
x = 155,939.99
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1.5x scale
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.