Finding the Fourth Proportional to 135,239.69, 202,857.14 and 40,470.14
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Solution
The fourth proportional to 135,239.69, 202,857.14 and 40,470.14 is: 60,704.49
Step by Step Solution
- Step 1: Write the proportion equation
135,239.69 : 202,857.14 = 40,470.14 : x - Step 2: Convert to fraction form
135,239.69/202,857.14 = 40,470.14/x - Step 3: Cross multiply
135,239.69x = 202,857.14 × 40,470.14 - Step 4: Simplify right side
135,239.69x = 8,209,656,855.80 - Step 5: Solve for x
x = 8,209,656,855.80/135,239.69 - Step 6: Final answer
x = 60,704.49
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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.