Finding the Fourth Proportional to 71,194.68, 106,798.17 and 18,604.14
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Solution
The fourth proportional to 71,194.68, 106,798.17 and 18,604.14 is: 27,907.82
Step by Step Solution
- Step 1: Write the proportion equation
71,194.68 : 106,798.17 = 18,604.14 : x - Step 2: Convert to fraction form
71,194.68/106,798.17 = 18,604.14/x - Step 3: Cross multiply
71,194.68x = 106,798.17 × 18,604.14 - Step 4: Simplify right side
71,194.68x = 1,986,888,106.42 - Step 5: Solve for x
x = 1,986,888,106.42/71,194.68 - Step 6: Final answer
x = 27,907.82
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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.