Finding the Fourth Proportional to 252,145.08, 378,245.30 and 125,817.12
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Solution
The fourth proportional to 252,145.08, 378,245.30 and 125,817.12 is: 188,739.49
Step by Step Solution
- Step 1: Write the proportion equation
252,145.08 : 378,245.30 = 125,817.12 : x - Step 2: Convert to fraction form
252,145.08/378,245.30 = 125,817.12/x - Step 3: Cross multiply
252,145.08x = 378,245.30 × 125,817.12 - Step 4: Simplify right side
252,145.08x = 47,589,733,670.45 - Step 5: Solve for x
x = 47,589,733,670.45/252,145.08 - Step 6: Final answer
x = 188,739.49
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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.