Finding the Fourth Proportional to 204,029.80, 306,044.70 and 141,821.80
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Solution
The fourth proportional to 204,029.80, 306,044.70 and 141,821.80 is: 212,732.70
Step by Step Solution
- Step 1: Write the proportion equation
204,029.80 : 306,044.70 = 141,821.80 : x - Step 2: Convert to fraction form
204,029.80/306,044.70 = 141,821.80/x - Step 3: Cross multiply
204,029.80x = 306,044.70 × 141,821.80 - Step 4: Simplify right side
204,029.80x = 43,403,810,234.46 - Step 5: Solve for x
x = 43,403,810,234.46/204,029.80 - Step 6: Final answer
x = 212,732.70
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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.