Finding the Fourth Proportional to 83,446.80, 125,157.12 and 27,286.44
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Solution
The fourth proportional to 83,446.80, 125,157.12 and 27,286.44 is: 40,925.38
Step by Step Solution
- Step 1: Write the proportion equation
83,446.80 : 125,157.12 = 27,286.44 : x - Step 2: Convert to fraction form
83,446.80/125,157.12 = 27,286.44/x - Step 3: Cross multiply
83,446.80x = 125,157.12 × 27,286.44 - Step 4: Simplify right side
83,446.80x = 3,415,092,245.45 - Step 5: Solve for x
x = 3,415,092,245.45/83,446.80 - Step 6: Final answer
x = 40,925.38
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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.