Finding the Fourth Proportional to 235,143.36, 352,640.52 and 77,329.44
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Solution
The fourth proportional to 235,143.36, 352,640.52 and 77,329.44 is: 115,969.65
Step by Step Solution
- Step 1: Write the proportion equation
235,143.36 : 352,640.52 = 77,329.44 : x - Step 2: Convert to fraction form
235,143.36/352,640.52 = 77,329.44/x - Step 3: Cross multiply
235,143.36x = 352,640.52 × 77,329.44 - Step 4: Simplify right side
235,143.36x = 27,269,493,932.91 - Step 5: Solve for x
x = 27,269,493,932.91/235,143.36 - Step 6: Final answer
x = 115,969.65
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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.