Finding the Fourth Proportional to 154,979.70, 232,469.55 and 44,157.30
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Solution
The fourth proportional to 154,979.70, 232,469.55 and 44,157.30 is: 66,235.95
Step by Step Solution
- Step 1: Write the proportion equation
154,979.70 : 232,469.55 = 44,157.30 : x - Step 2: Convert to fraction form
154,979.70/232,469.55 = 44,157.30/x - Step 3: Cross multiply
154,979.70x = 232,469.55 × 44,157.30 - Step 4: Simplify right side
154,979.70x = 10,265,227,660.22 - Step 5: Solve for x
x = 10,265,227,660.22/154,979.70 - Step 6: Final answer
x = 66,235.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.