Finding the Fourth Proportional to 324,651.53, 448,144.16 and 290,599.94
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Solution
The fourth proportional to 324,651.53, 448,144.16 and 290,599.94 is: 401,139.84
Step by Step Solution
- Step 1: Write the proportion equation
324,651.53 : 448,144.16 = 290,599.94 : x - Step 2: Convert to fraction form
324,651.53/448,144.16 = 290,599.94/x - Step 3: Cross multiply
324,651.53x = 448,144.16 × 290,599.94 - Step 4: Simplify right side
324,651.53x = 130,230,662,313.63 - Step 5: Solve for x
x = 130,230,662,313.63/324,651.53 - Step 6: Final answer
x = 401,139.84
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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.