Finding the Fourth Proportional to 207,137.99, 310,581.23 and 135,144.38
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Solution
The fourth proportional to 207,137.99, 310,581.23 and 135,144.38 is: 202,634.52
Step by Step Solution
- Step 1: Write the proportion equation
207,137.99 : 310,581.23 = 135,144.38 : x - Step 2: Convert to fraction form
207,137.99/310,581.23 = 135,144.38/x - Step 3: Cross multiply
207,137.99x = 310,581.23 × 135,144.38 - Step 4: Simplify right side
207,137.99x = 41,973,305,539.36 - Step 5: Solve for x
x = 41,973,305,539.36/207,137.99 - Step 6: Final answer
x = 202,634.52
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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.