Finding the Fourth Proportional to 220,014.75, 303,620.55 and 119,412.75
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Solution
The fourth proportional to 220,014.75, 303,620.55 and 119,412.75 is: 164,789.70
Step by Step Solution
- Step 1: Write the proportion equation
220,014.75 : 303,620.55 = 119,412.75 : x - Step 2: Convert to fraction form
220,014.75/303,620.55 = 119,412.75/x - Step 3: Cross multiply
220,014.75x = 303,620.55 × 119,412.75 - Step 4: Simplify right side
220,014.75x = 36,256,164,832.01 - Step 5: Solve for x
x = 36,256,164,832.01/220,014.75 - Step 6: Final answer
x = 164,789.70
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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.