Finding the Fourth Proportional to 212,713.05, 293,545.97 and 117,223.14
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Solution
The fourth proportional to 212,713.05, 293,545.97 and 117,223.14 is: 161,769.01
Step by Step Solution
- Step 1: Write the proportion equation
212,713.05 : 293,545.97 = 117,223.14 : x - Step 2: Convert to fraction form
212,713.05/293,545.97 = 117,223.14/x - Step 3: Cross multiply
212,713.05x = 293,545.97 × 117,223.14 - Step 4: Simplify right side
212,713.05x = 34,410,379,751.63 - Step 5: Solve for x
x = 34,410,379,751.63/212,713.05 - Step 6: Final answer
x = 161,769.01
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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.