Finding the Fourth Proportional to 299,997.11, 414,034.10 and 170,981.96
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Solution
The fourth proportional to 299,997.11, 414,034.10 and 170,981.96 is: 235,976.81
Step by Step Solution
- Step 1: Write the proportion equation
299,997.11 : 414,034.10 = 170,981.96 : x - Step 2: Convert to fraction form
299,997.11/414,034.10 = 170,981.96/x - Step 3: Cross multiply
299,997.11x = 414,034.10 × 170,981.96 - Step 4: Simplify right side
299,997.11x = 70,792,361,069.93 - Step 5: Solve for x
x = 70,792,361,069.93/299,997.11 - Step 6: Final answer
x = 235,976.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.