Finding the Fourth Proportional to 197,887.68, 273,071.50 and 126,259.78
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Solution
The fourth proportional to 197,887.68, 273,071.50 and 126,259.78 is: 174,229.88
Step by Step Solution
- Step 1: Write the proportion equation
197,887.68 : 273,071.50 = 126,259.78 : x - Step 2: Convert to fraction form
197,887.68/273,071.50 = 126,259.78/x - Step 3: Cross multiply
197,887.68x = 273,071.50 × 126,259.78 - Step 4: Simplify right side
197,887.68x = 34,477,947,514.27 - Step 5: Solve for x
x = 34,477,947,514.27/197,887.68 - Step 6: Final answer
x = 174,229.88
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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.