Finding the Fourth Proportional to 138,568.08, 207,800.84 and 49,797.68
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Solution
The fourth proportional to 138,568.08, 207,800.84 and 49,797.68 is: 74,678.09
Step by Step Solution
- Step 1: Write the proportion equation
138,568.08 : 207,800.84 = 49,797.68 : x - Step 2: Convert to fraction form
138,568.08/207,800.84 = 49,797.68/x - Step 3: Cross multiply
138,568.08x = 207,800.84 × 49,797.68 - Step 4: Simplify right side
138,568.08x = 10,347,999,734.05 - Step 5: Solve for x
x = 10,347,999,734.05/138,568.08 - Step 6: Final answer
x = 74,678.09
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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.