Finding the Fourth Proportional to 197,936.06, 273,188.30 and 113,053.05
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Solution
The fourth proportional to 197,936.06, 273,188.30 and 113,053.05 is: 156,034.08
Step by Step Solution
- Step 1: Write the proportion equation
197,936.06 : 273,188.30 = 113,053.05 : x - Step 2: Convert to fraction form
197,936.06/273,188.30 = 113,053.05/x - Step 3: Cross multiply
197,936.06x = 273,188.30 × 113,053.05 - Step 4: Simplify right side
197,936.06x = 30,884,769,974.05 - Step 5: Solve for x
x = 30,884,769,974.05/197,936.06 - Step 6: Final answer
x = 156,034.08
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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.