Finding the Fourth Proportional to 133,782.69, 200,548.49 and 44,974.09
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Solution
The fourth proportional to 133,782.69, 200,548.49 and 44,974.09 is: 67,418.92
Step by Step Solution
- Step 1: Write the proportion equation
133,782.69 : 200,548.49 = 44,974.09 : x - Step 2: Convert to fraction form
133,782.69/200,548.49 = 44,974.09/x - Step 3: Cross multiply
133,782.69x = 200,548.49 × 44,974.09 - Step 4: Simplify right side
133,782.69x = 9,019,485,112.38 - Step 5: Solve for x
x = 9,019,485,112.38/133,782.69 - Step 6: Final answer
x = 67,418.92
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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.