Finding the Fourth Proportional to 120,715.82, 181,075.08 and 36,476.68
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Solution
The fourth proportional to 120,715.82, 181,075.08 and 36,476.68 is: 54,715.43
Step by Step Solution
- Step 1: Write the proportion equation
120,715.82 : 181,075.08 = 36,476.68 : x - Step 2: Convert to fraction form
120,715.82/181,075.08 = 36,476.68/x - Step 3: Cross multiply
120,715.82x = 181,075.08 × 36,476.68 - Step 4: Simplify right side
120,715.82x = 6,605,017,749.13 - Step 5: Solve for x
x = 6,605,017,749.13/120,715.82 - Step 6: Final answer
x = 54,715.43
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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.