Finding the Fourth Proportional to 207,814.93, 311,755.20 and 67,540.75
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Solution
The fourth proportional to 207,814.93, 311,755.20 and 67,540.75 is: 101,321.79
Step by Step Solution
- Step 1: Write the proportion equation
207,814.93 : 311,755.20 = 67,540.75 : x - Step 2: Convert to fraction form
207,814.93/311,755.20 = 67,540.75/x - Step 3: Cross multiply
207,814.93x = 311,755.20 × 67,540.75 - Step 4: Simplify right side
207,814.93x = 21,056,180,024.40 - Step 5: Solve for x
x = 21,056,180,024.40/207,814.93 - Step 6: Final answer
x = 101,321.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.