Finding the Fourth Proportional to 134,640.20, 201,960.30 and 41,133.80
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Solution
The fourth proportional to 134,640.20, 201,960.30 and 41,133.80 is: 61,700.70
Step by Step Solution
- Step 1: Write the proportion equation
134,640.20 : 201,960.30 = 41,133.80 : x - Step 2: Convert to fraction form
134,640.20/201,960.30 = 41,133.80/x - Step 3: Cross multiply
134,640.20x = 201,960.30 × 41,133.80 - Step 4: Simplify right side
134,640.20x = 8,307,394,588.14 - Step 5: Solve for x
x = 8,307,394,588.14/134,640.20 - Step 6: Final answer
x = 61,700.70
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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.