Finding the Fourth Proportional to 220,262.75, 303,962.87 and 119,660.75
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Solution
The fourth proportional to 220,262.75, 303,962.87 and 119,660.75 is: 165,131.98
Step by Step Solution
- Step 1: Write the proportion equation
220,262.75 : 303,962.87 = 119,660.75 : x - Step 2: Convert to fraction form
220,262.75/303,962.87 = 119,660.75/x - Step 3: Cross multiply
220,262.75x = 303,962.87 × 119,660.75 - Step 4: Simplify right side
220,262.75x = 36,372,424,398.05 - Step 5: Solve for x
x = 36,372,424,398.05/220,262.75 - Step 6: Final answer
x = 165,131.98
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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.