Finding the Fourth Proportional to 200,736.36, 300,513.44 and 134,010.99
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Solution
The fourth proportional to 200,736.36, 300,513.44 and 134,010.99 is: 200,621.87
Step by Step Solution
- Step 1: Write the proportion equation
200,736.36 : 300,513.44 = 134,010.99 : x - Step 2: Convert to fraction form
200,736.36/300,513.44 = 134,010.99/x - Step 3: Cross multiply
200,736.36x = 300,513.44 × 134,010.99 - Step 4: Simplify right side
200,736.36x = 40,272,103,937.73 - Step 5: Solve for x
x = 40,272,103,937.73/200,736.36 - Step 6: Final answer
x = 200,621.87
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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.