Finding the Fourth Proportional to 147,652.32, 203,757.36 and 80,584.80
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Solution
The fourth proportional to 147,652.32, 203,757.36 and 80,584.80 is: 111,205.47
Step by Step Solution
- Step 1: Write the proportion equation
147,652.32 : 203,757.36 = 80,584.80 : x - Step 2: Convert to fraction form
147,652.32/203,757.36 = 80,584.80/x - Step 3: Cross multiply
147,652.32x = 203,757.36 × 80,584.80 - Step 4: Simplify right side
147,652.32x = 16,419,746,104.13 - Step 5: Solve for x
x = 16,419,746,104.13/147,652.32 - Step 6: Final answer
x = 111,205.47
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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.