Finding the Fourth Proportional to 149,021.20, 223,272.60 and 122,582.80
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Solution
The fourth proportional to 149,021.20, 223,272.60 and 122,582.80 is: 183,660.99
Step by Step Solution
- Step 1: Write the proportion equation
149,021.20 : 223,272.60 = 122,582.80 : x - Step 2: Convert to fraction form
149,021.20/223,272.60 = 122,582.80/x - Step 3: Cross multiply
149,021.20x = 223,272.60 × 122,582.80 - Step 4: Simplify right side
149,021.20x = 27,369,380,471.28 - Step 5: Solve for x
x = 27,369,380,471.28/149,021.20 - Step 6: Final answer
x = 183,660.99
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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.