Finding the Fourth Proportional to 196,421.13, 294,778.42 and 133,091.08
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Solution
The fourth proportional to 196,421.13, 294,778.42 and 133,091.08 is: 199,736.03
Step by Step Solution
- Step 1: Write the proportion equation
196,421.13 : 294,778.42 = 133,091.08 : x - Step 2: Convert to fraction form
196,421.13/294,778.42 = 133,091.08/x - Step 3: Cross multiply
196,421.13x = 294,778.42 × 133,091.08 - Step 4: Simplify right side
196,421.13x = 39,232,377,208.82 - Step 5: Solve for x
x = 39,232,377,208.82/196,421.13 - Step 6: Final answer
x = 199,736.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.