Finding the Fourth Proportional to 227,136.25, 340,720.79 and 92,135.49
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Solution
The fourth proportional to 227,136.25, 340,720.79 and 92,135.49 is: 138,209.89
Step by Step Solution
- Step 1: Write the proportion equation
227,136.25 : 340,720.79 = 92,135.49 : x - Step 2: Convert to fraction form
227,136.25/340,720.79 = 92,135.49/x - Step 3: Cross multiply
227,136.25x = 340,720.79 × 92,135.49 - Step 4: Simplify right side
227,136.25x = 31,392,476,939.84 - Step 5: Solve for x
x = 31,392,476,939.84/227,136.25 - Step 6: Final answer
x = 138,209.89
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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.