Finding the Fourth Proportional to 138,566.08, 207,797.84 and 49,795.68
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Solution
The fourth proportional to 138,566.08, 207,797.84 and 49,795.68 is: 74,675.09
Step by Step Solution
- Step 1: Write the proportion equation
138,566.08 : 207,797.84 = 49,795.68 : x - Step 2: Convert to fraction form
138,566.08/207,797.84 = 49,795.68/x - Step 3: Cross multiply
138,566.08x = 207,797.84 × 49,795.68 - Step 4: Simplify right side
138,566.08x = 10,347,434,745.33 - Step 5: Solve for x
x = 10,347,434,745.33/138,566.08 - Step 6: Final answer
x = 74,675.09
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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.