Finding the Fourth Proportional to 218,934.06, 328,414.97 and 92,550.75
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Solution
The fourth proportional to 218,934.06, 328,414.97 and 92,550.75 is: 138,831.99
Step by Step Solution
- Step 1: Write the proportion equation
218,934.06 : 328,414.97 = 92,550.75 : x - Step 2: Convert to fraction form
218,934.06/328,414.97 = 92,550.75/x - Step 3: Cross multiply
218,934.06x = 328,414.97 × 92,550.75 - Step 4: Simplify right side
218,934.06x = 30,395,051,321.97 - Step 5: Solve for x
x = 30,395,051,321.97/218,934.06 - Step 6: Final answer
x = 138,831.99
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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.