Finding the Fourth Proportional to 190,300.68, 262,496.08 and 122,406.12
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Solution
The fourth proportional to 190,300.68, 262,496.08 and 122,406.12 is: 168,843.99
Step by Step Solution
- Step 1: Write the proportion equation
190,300.68 : 262,496.08 = 122,406.12 : x - Step 2: Convert to fraction form
190,300.68/262,496.08 = 122,406.12/x - Step 3: Cross multiply
190,300.68x = 262,496.08 × 122,406.12 - Step 4: Simplify right side
190,300.68x = 32,131,126,668.01 - Step 5: Solve for x
x = 32,131,126,668.01/190,300.68 - Step 6: Final answer
x = 168,843.99
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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.