Finding the Fourth Proportional to 220,261.76, 303,963.36 and 119,660.48
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Solution
The fourth proportional to 220,261.76, 303,963.36 and 119,660.48 is: 165,132.62
Step by Step Solution
- Step 1: Write the proportion equation
220,261.76 : 303,963.36 = 119,660.48 : x - Step 2: Convert to fraction form
220,261.76/303,963.36 = 119,660.48/x - Step 3: Cross multiply
220,261.76x = 303,963.36 × 119,660.48 - Step 4: Simplify right side
220,261.76x = 36,372,401,560.01 - Step 5: Solve for x
x = 36,372,401,560.01/220,261.76 - Step 6: Final answer
x = 165,132.62
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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.