Finding the Fourth Proportional to 137,851.50, 206,593.29 and 73,678.09
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Solution
The fourth proportional to 137,851.50, 206,593.29 and 73,678.09 is: 110,418.81
Step by Step Solution
- Step 1: Write the proportion equation
137,851.50 : 206,593.29 = 73,678.09 : x - Step 2: Convert to fraction form
137,851.50/206,593.29 = 73,678.09/x - Step 3: Cross multiply
137,851.50x = 206,593.29 × 73,678.09 - Step 4: Simplify right side
137,851.50x = 15,221,399,014.02 - Step 5: Solve for x
x = 15,221,399,014.02/137,851.50 - Step 6: Final answer
x = 110,418.81
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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.