Finding the Fourth Proportional to 150,739.44, 208,011.08 and 82,755.99
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Solution
The fourth proportional to 150,739.44, 208,011.08 and 82,755.99 is: 114,198.14
Step by Step Solution
- Step 1: Write the proportion equation
150,739.44 : 208,011.08 = 82,755.99 : x - Step 2: Convert to fraction form
150,739.44/208,011.08 = 82,755.99/x - Step 3: Cross multiply
150,739.44x = 208,011.08 × 82,755.99 - Step 4: Simplify right side
150,739.44x = 17,214,163,824.82 - Step 5: Solve for x
x = 17,214,163,824.82/150,739.44 - Step 6: Final answer
x = 114,198.14
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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.