Finding the Fourth Proportional to 201,175.65, 277,646.54 and 120,647.48
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Solution
The fourth proportional to 201,175.65, 277,646.54 and 120,647.48 is: 166,507.99
Step by Step Solution
- Step 1: Write the proportion equation
201,175.65 : 277,646.54 = 120,647.48 : x - Step 2: Convert to fraction form
201,175.65/277,646.54 = 120,647.48/x - Step 3: Cross multiply
201,175.65x = 277,646.54 × 120,647.48 - Step 4: Simplify right side
201,175.65x = 33,497,353,390.25 - Step 5: Solve for x
x = 33,497,353,390.25/201,175.65 - Step 6: Final answer
x = 166,507.99
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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.