Finding the Fourth Proportional to 212,753.10, 318,801.60 and 184,540.80
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Solution
The fourth proportional to 212,753.10, 318,801.60 and 184,540.80 is: 276,526.65
Step by Step Solution
- Step 1: Write the proportion equation
212,753.10 : 318,801.60 = 184,540.80 : x - Step 2: Convert to fraction form
212,753.10/318,801.60 = 184,540.80/x - Step 3: Cross multiply
212,753.10x = 318,801.60 × 184,540.80 - Step 4: Simplify right side
212,753.10x = 58,831,902,305.28 - Step 5: Solve for x
x = 58,831,902,305.28/212,753.10 - Step 6: Final answer
x = 276,526.65
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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.