Finding the Fourth Proportional to 212,236.38, 292,847.13 and 126,224.10
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Solution
The fourth proportional to 212,236.38, 292,847.13 and 126,224.10 is: 174,166.02
Step by Step Solution
- Step 1: Write the proportion equation
212,236.38 : 292,847.13 = 126,224.10 : x - Step 2: Convert to fraction form
212,236.38/292,847.13 = 126,224.10/x - Step 3: Cross multiply
212,236.38x = 292,847.13 × 126,224.10 - Step 4: Simplify right side
212,236.38x = 36,964,365,421.83 - Step 5: Solve for x
x = 36,964,365,421.83/212,236.38 - Step 6: Final answer
x = 174,166.02
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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.