Finding the Fourth Proportional to 197,845.08, 273,031.29 and 121,406.41
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Solution
The fourth proportional to 197,845.08, 273,031.29 and 121,406.41 is: 167,543.96
Step by Step Solution
- Step 1: Write the proportion equation
197,845.08 : 273,031.29 = 121,406.41 : x - Step 2: Convert to fraction form
197,845.08/273,031.29 = 121,406.41/x - Step 3: Cross multiply
197,845.08x = 273,031.29 × 121,406.41 - Step 4: Simplify right side
197,845.08x = 33,147,746,764.38 - Step 5: Solve for x
x = 33,147,746,764.38/197,845.08 - Step 6: Final answer
x = 167,543.96
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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.