Finding the Fourth Proportional to 263,553.09, 363,702.74 and 142,694.48
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Solution
The fourth proportional to 263,553.09, 363,702.74 and 142,694.48 is: 196,918.09
Step by Step Solution
- Step 1: Write the proportion equation
263,553.09 : 363,702.74 = 142,694.48 : x - Step 2: Convert to fraction form
263,553.09/363,702.74 = 142,694.48/x - Step 3: Cross multiply
263,553.09x = 363,702.74 × 142,694.48 - Step 4: Simplify right side
263,553.09x = 51,898,370,826.89 - Step 5: Solve for x
x = 51,898,370,826.89/263,553.09 - Step 6: Final answer
x = 196,918.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.