Finding the Fourth Proportional to 135,225.80, 202,857.90 and 41,721.80
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Solution
The fourth proportional to 135,225.80, 202,857.90 and 41,721.80 is: 62,588.62
Step by Step Solution
- Step 1: Write the proportion equation
135,225.80 : 202,857.90 = 41,721.80 : x - Step 2: Convert to fraction form
135,225.80/202,857.90 = 41,721.80/x - Step 3: Cross multiply
135,225.80x = 202,857.90 × 41,721.80 - Step 4: Simplify right side
135,225.80x = 8,463,596,732.22 - Step 5: Solve for x
x = 8,463,596,732.22/135,225.80 - Step 6: Final answer
x = 62,588.62
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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.