Finding the Fourth Proportional to 235,668.09, 353,557.49 and 77,896.53
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Solution
The fourth proportional to 235,668.09, 353,557.49 and 77,896.53 is: 116,863.09
Step by Step Solution
- Step 1: Write the proportion equation
235,668.09 : 353,557.49 = 77,896.53 : x - Step 2: Convert to fraction form
235,668.09/353,557.49 = 77,896.53/x - Step 3: Cross multiply
235,668.09x = 353,557.49 × 77,896.53 - Step 4: Simplify right side
235,668.09x = 27,540,901,237.03 - Step 5: Solve for x
x = 27,540,901,237.03/235,668.09 - Step 6: Final answer
x = 116,863.09
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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.