Finding the Fourth Proportional to 388,121.85, 582,207.48 and 121,892.87
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Solution
The fourth proportional to 388,121.85, 582,207.48 and 121,892.87 is: 182,847.07
Step by Step Solution
- Step 1: Write the proportion equation
388,121.85 : 582,207.48 = 121,892.87 : x - Step 2: Convert to fraction form
388,121.85/582,207.48 = 121,892.87/x - Step 3: Cross multiply
388,121.85x = 582,207.48 × 121,892.87 - Step 4: Simplify right side
388,121.85x = 70,966,942,128.19 - Step 5: Solve for x
x = 70,966,942,128.19/388,121.85 - Step 6: Final answer
x = 182,847.07
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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.