Finding the Fourth Proportional to 204,996.74, 307,497.17 and 71,880.20
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Solution
The fourth proportional to 204,996.74, 307,497.17 and 71,880.20 is: 107,821.02
Step by Step Solution
- Step 1: Write the proportion equation
204,996.74 : 307,497.17 = 71,880.20 : x - Step 2: Convert to fraction form
204,996.74/307,497.17 = 71,880.20/x - Step 3: Cross multiply
204,996.74x = 307,497.17 × 71,880.20 - Step 4: Simplify right side
204,996.74x = 22,102,958,079.03 - Step 5: Solve for x
x = 22,102,958,079.03/204,996.74 - Step 6: Final answer
x = 107,821.02
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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.