Finding the Fourth Proportional to 252,619.80, 378,847.68 and 84,094.86
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Solution
The fourth proportional to 252,619.80, 378,847.68 and 84,094.86 is: 126,114.99
Step by Step Solution
- Step 1: Write the proportion equation
252,619.80 : 378,847.68 = 84,094.86 : x - Step 2: Convert to fraction form
252,619.80/378,847.68 = 84,094.86/x - Step 3: Cross multiply
252,619.80x = 378,847.68 × 84,094.86 - Step 4: Simplify right side
252,619.80x = 31,859,142,610.92 - Step 5: Solve for x
x = 31,859,142,610.92/252,619.80 - Step 6: Final answer
x = 126,114.99
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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.