Finding the Fourth Proportional to 504,137.80, 756,206.70 and 204,761.80
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Solution
The fourth proportional to 504,137.80, 756,206.70 and 204,761.80 is: 307,142.70
Step by Step Solution
- Step 1: Write the proportion equation
504,137.80 : 756,206.70 = 204,761.80 : x - Step 2: Convert to fraction form
504,137.80/756,206.70 = 204,761.80/x - Step 3: Cross multiply
504,137.80x = 756,206.70 × 204,761.80 - Step 4: Simplify right side
504,137.80x = 154,842,245,064.06 - Step 5: Solve for x
x = 154,842,245,064.06/504,137.80 - Step 6: Final answer
x = 307,142.70
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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.