Finding the Fourth Proportional to 204,063.80, 306,095.70 and 141,855.80
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Solution
The fourth proportional to 204,063.80, 306,095.70 and 141,855.80 is: 212,783.70
Step by Step Solution
- Step 1: Write the proportion equation
204,063.80 : 306,095.70 = 141,855.80 : x - Step 2: Convert to fraction form
204,063.80/306,095.70 = 141,855.80/x - Step 3: Cross multiply
204,063.80x = 306,095.70 × 141,855.80 - Step 4: Simplify right side
204,063.80x = 43,421,450,400.06 - Step 5: Solve for x
x = 43,421,450,400.06/204,063.80 - Step 6: Final answer
x = 212,783.70
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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.