Finding the Fourth Proportional to 220,022.02, 303,619.86 and 135,122.68
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Solution
The fourth proportional to 220,022.02, 303,619.86 and 135,122.68 is: 186,462.83
Step by Step Solution
- Step 1: Write the proportion equation
220,022.02 : 303,619.86 = 135,122.68 : x - Step 2: Convert to fraction form
220,022.02/303,619.86 = 135,122.68/x - Step 3: Cross multiply
220,022.02x = 303,619.86 × 135,122.68 - Step 4: Simplify right side
220,022.02x = 41,025,929,563.95 - Step 5: Solve for x
x = 41,025,929,563.95/220,022.02 - Step 6: Final answer
x = 186,462.83
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1.5x scale
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.