Finding the Fourth Proportional to 210,316.70, 290,270.36 and 133,755.97
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Solution
The fourth proportional to 210,316.70, 290,270.36 and 133,755.97 is: 184,604.43
Step by Step Solution
- Step 1: Write the proportion equation
210,316.70 : 290,270.36 = 133,755.97 : x - Step 2: Convert to fraction form
210,316.70/290,270.36 = 133,755.97/x - Step 3: Cross multiply
210,316.70x = 290,270.36 × 133,755.97 - Step 4: Simplify right side
210,316.70x = 38,825,393,172.76 - Step 5: Solve for x
x = 38,825,393,172.76/210,316.70 - Step 6: Final answer
x = 184,604.43
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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.