Finding the Fourth Proportional to 212,324.92, 318,487.62 and 54,554.68
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Solution
The fourth proportional to 212,324.92, 318,487.62 and 54,554.68 is: 81,832.08
Step by Step Solution
- Step 1: Write the proportion equation
212,324.92 : 318,487.62 = 54,554.68 : x - Step 2: Convert to fraction form
212,324.92/318,487.62 = 54,554.68/x - Step 3: Cross multiply
212,324.92x = 318,487.62 × 54,554.68 - Step 4: Simplify right side
212,324.92x = 17,374,990,193.06 - Step 5: Solve for x
x = 17,374,990,193.06/212,324.92 - Step 6: Final answer
x = 81,832.08
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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.