Finding the Fourth Proportional to 280,194.99, 419,922.18 and 102,530.94
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Solution
The fourth proportional to 280,194.99, 419,922.18 and 102,530.94 is: 153,660.91
Step by Step Solution
- Step 1: Write the proportion equation
280,194.99 : 419,922.18 = 102,530.94 : x - Step 2: Convert to fraction form
280,194.99/419,922.18 = 102,530.94/x - Step 3: Cross multiply
280,194.99x = 419,922.18 × 102,530.94 - Step 4: Simplify right side
280,194.99x = 43,055,015,842.25 - Step 5: Solve for x
x = 43,055,015,842.25/280,194.99 - Step 6: Final answer
x = 153,660.91
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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.