Finding the Fourth Proportional to 201,866.20, 302,799.30 and 122,939.80
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Solution
The fourth proportional to 201,866.20, 302,799.30 and 122,939.80 is: 184,409.70
Step by Step Solution
- Step 1: Write the proportion equation
201,866.20 : 302,799.30 = 122,939.80 : x - Step 2: Convert to fraction form
201,866.20/302,799.30 = 122,939.80/x - Step 3: Cross multiply
201,866.20x = 302,799.30 × 122,939.80 - Step 4: Simplify right side
201,866.20x = 37,226,085,382.14 - Step 5: Solve for x
x = 37,226,085,382.14/201,866.20 - Step 6: Final answer
x = 184,409.70
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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.