Finding the Fourth Proportional to 163,138.22, 244,678.18 and 103,797.62
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Solution
The fourth proportional to 163,138.22, 244,678.18 and 103,797.62 is: 155,677.88
Step by Step Solution
- Step 1: Write the proportion equation
163,138.22 : 244,678.18 = 103,797.62 : x - Step 2: Convert to fraction form
163,138.22/244,678.18 = 103,797.62/x - Step 3: Cross multiply
163,138.22x = 244,678.18 × 103,797.62 - Step 4: Simplify right side
163,138.22x = 25,397,012,749.93 - Step 5: Solve for x
x = 25,397,012,749.93/163,138.22 - Step 6: Final answer
x = 155,677.88
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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.