Finding the Fourth Proportional to 324,451.92, 447,742.72 and 181,212.08
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Solution
The fourth proportional to 324,451.92, 447,742.72 and 181,212.08 is: 250,072.15
Step by Step Solution
- Step 1: Write the proportion equation
324,451.92 : 447,742.72 = 181,212.08 : x - Step 2: Convert to fraction form
324,451.92/447,742.72 = 181,212.08/x - Step 3: Cross multiply
324,451.92x = 447,742.72 × 181,212.08 - Step 4: Simplify right side
324,451.92x = 81,136,389,596.06 - Step 5: Solve for x
x = 81,136,389,596.06/324,451.92 - Step 6: Final answer
x = 250,072.15
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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.