Finding the Fourth Proportional to 144,533.97, 199,451.25 and 80,871.84
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Solution
The fourth proportional to 144,533.97, 199,451.25 and 80,871.84 is: 111,599.99
Step by Step Solution
- Step 1: Write the proportion equation
144,533.97 : 199,451.25 = 80,871.84 : x - Step 2: Convert to fraction form
144,533.97/199,451.25 = 80,871.84/x - Step 3: Cross multiply
144,533.97x = 199,451.25 × 80,871.84 - Step 4: Simplify right side
144,533.97x = 16,129,989,577.80 - Step 5: Solve for x
x = 16,129,989,577.80/144,533.97 - Step 6: Final answer
x = 111,599.99
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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.