Finding the Fourth Proportional to 201,448.82, 301,427.84 and 121,533.12
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Solution
The fourth proportional to 201,448.82, 301,427.84 and 121,533.12 is: 181,849.99
Step by Step Solution
- Step 1: Write the proportion equation
201,448.82 : 301,427.84 = 121,533.12 : x - Step 2: Convert to fraction form
201,448.82/301,427.84 = 121,533.12/x - Step 3: Cross multiply
201,448.82x = 301,427.84 × 121,533.12 - Step 4: Simplify right side
201,448.82x = 36,633,466,153.89 - Step 5: Solve for x
x = 36,633,466,153.89/201,448.82 - Step 6: Final answer
x = 181,849.99
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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.