Finding the Fourth Proportional to 188,067.72, 281,903.40 and 61,674.99
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Solution
The fourth proportional to 188,067.72, 281,903.40 and 61,674.99 is: 92,447.49
Step by Step Solution
- Step 1: Write the proportion equation
188,067.72 : 281,903.40 = 61,674.99 : x - Step 2: Convert to fraction form
188,067.72/281,903.40 = 61,674.99/x - Step 3: Cross multiply
188,067.72x = 281,903.40 × 61,674.99 - Step 4: Simplify right side
188,067.72x = 17,386,389,375.97 - Step 5: Solve for x
x = 17,386,389,375.97/188,067.72 - Step 6: Final answer
x = 92,447.49
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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.