Finding the Fourth Proportional to 208,121.14, 312,146.50 and 58,326.96
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Solution
The fourth proportional to 208,121.14, 312,146.50 and 58,326.96 is: 87,480.57
Step by Step Solution
- Step 1: Write the proportion equation
208,121.14 : 312,146.50 = 58,326.96 : x - Step 2: Convert to fraction form
208,121.14/312,146.50 = 58,326.96/x - Step 3: Cross multiply
208,121.14x = 312,146.50 × 58,326.96 - Step 4: Simplify right side
208,121.14x = 18,206,556,419.64 - Step 5: Solve for x
x = 18,206,556,419.64/208,121.14 - Step 6: Final answer
x = 87,480.57
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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.