Finding the Fourth Proportional to 214,905.96, 322,358.94 and 67,161.96
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Solution
The fourth proportional to 214,905.96, 322,358.94 and 67,161.96 is: 100,742.94
Step by Step Solution
- Step 1: Write the proportion equation
214,905.96 : 322,358.94 = 67,161.96 : x - Step 2: Convert to fraction form
214,905.96/322,358.94 = 67,161.96/x - Step 3: Cross multiply
214,905.96x = 322,358.94 × 67,161.96 - Step 4: Simplify right side
214,905.96x = 21,650,258,233.92 - Step 5: Solve for x
x = 21,650,258,233.92/214,905.96 - Step 6: Final answer
x = 100,742.94
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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.