Finding the Fourth Proportional to 220,078.09, 303,710.21 and 124,582.69
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Solution
The fourth proportional to 220,078.09, 303,710.21 and 124,582.69 is: 171,925.50
Step by Step Solution
- Step 1: Write the proportion equation
220,078.09 : 303,710.21 = 124,582.69 : x - Step 2: Convert to fraction form
220,078.09/303,710.21 = 124,582.69/x - Step 3: Cross multiply
220,078.09x = 303,710.21 × 124,582.69 - Step 4: Simplify right side
220,078.09x = 37,837,034,942.26 - Step 5: Solve for x
x = 37,837,034,942.26/220,078.09 - Step 6: Final answer
x = 171,925.50
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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.