Finding the Fourth Proportional to 212,163.08, 292,765.02 and 126,115.16
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Solution
The fourth proportional to 212,163.08, 292,765.02 and 126,115.16 is: 174,027.01
Step by Step Solution
- Step 1: Write the proportion equation
212,163.08 : 292,765.02 = 126,115.16 : x - Step 2: Convert to fraction form
212,163.08/292,765.02 = 126,115.16/x - Step 3: Cross multiply
212,163.08x = 292,765.02 × 126,115.16 - Step 4: Simplify right side
212,163.08x = 36,922,107,339.70 - Step 5: Solve for x
x = 36,922,107,339.70/212,163.08 - Step 6: Final answer
x = 174,027.01
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1.5x scale
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.