Finding the Fourth Proportional to 212,324.63, 318,486.97 and 54,553.08
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Solution
The fourth proportional to 212,324.63, 318,486.97 and 54,553.08 is: 81,829.63
Step by Step Solution
- Step 1: Write the proportion equation
212,324.63 : 318,486.97 = 54,553.08 : x - Step 2: Convert to fraction form
212,324.63/318,486.97 = 54,553.08/x - Step 3: Cross multiply
212,324.63x = 318,486.97 × 54,553.08 - Step 4: Simplify right side
212,324.63x = 17,374,445,153.37 - Step 5: Solve for x
x = 17,374,445,153.37/212,324.63 - Step 6: Final answer
x = 81,829.63
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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.