Finding the Fourth Proportional to 107,201.40, 160,803.18 and 40,623.60
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Solution
The fourth proportional to 107,201.40, 160,803.18 and 40,623.60 is: 60,935.81
Step by Step Solution
- Step 1: Write the proportion equation
107,201.40 : 160,803.18 = 40,623.60 : x - Step 2: Convert to fraction form
107,201.40/160,803.18 = 40,623.60/x - Step 3: Cross multiply
107,201.40x = 160,803.18 × 40,623.60 - Step 4: Simplify right side
107,201.40x = 6,532,404,063.05 - Step 5: Solve for x
x = 6,532,404,063.05/107,201.40 - Step 6: Final answer
x = 60,935.81
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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.