Finding the Fourth Proportional to 69,448.46, 104,172.08 and 16,857.99
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Solution
The fourth proportional to 69,448.46, 104,172.08 and 16,857.99 is: 25,286.84
Step by Step Solution
- Step 1: Write the proportion equation
69,448.46 : 104,172.08 = 16,857.99 : x - Step 2: Convert to fraction form
69,448.46/104,172.08 = 16,857.99/x - Step 3: Cross multiply
69,448.46x = 104,172.08 × 16,857.99 - Step 4: Simplify right side
69,448.46x = 1,756,131,798.63 - Step 5: Solve for x
x = 1,756,131,798.63/69,448.46 - Step 6: Final answer
x = 25,286.84
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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.