Finding the Fourth Proportional to 196,614.42, 270,451.35 and 172,294.98
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Solution
The fourth proportional to 196,614.42, 270,451.35 and 172,294.98 is: 236,998.94
Step by Step Solution
- Step 1: Write the proportion equation
196,614.42 : 270,451.35 = 172,294.98 : x - Step 2: Convert to fraction form
196,614.42/270,451.35 = 172,294.98/x - Step 3: Cross multiply
196,614.42x = 270,451.35 × 172,294.98 - Step 4: Simplify right side
196,614.42x = 46,597,409,939.22 - Step 5: Solve for x
x = 46,597,409,939.22/196,614.42 - Step 6: Final answer
x = 236,998.94
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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.