Finding the Fourth Proportional to 354,121.70, 488,687.18 and 192,976.35
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Solution
The fourth proportional to 354,121.70, 488,687.18 and 192,976.35 is: 266,306.95
Step by Step Solution
- Step 1: Write the proportion equation
354,121.70 : 488,687.18 = 192,976.35 : x - Step 2: Convert to fraction form
354,121.70/488,687.18 = 192,976.35/x - Step 3: Cross multiply
354,121.70x = 488,687.18 × 192,976.35 - Step 4: Simplify right side
354,121.70x = 94,305,067,323.31 - Step 5: Solve for x
x = 94,305,067,323.31/354,121.70 - Step 6: Final answer
x = 266,306.95
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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.