Finding the Fourth Proportional to 218,880.87, 328,296.68 and 58,968.62
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Solution
The fourth proportional to 218,880.87, 328,296.68 and 58,968.62 is: 88,446.30
Step by Step Solution
- Step 1: Write the proportion equation
218,880.87 : 328,296.68 = 58,968.62 : x - Step 2: Convert to fraction form
218,880.87/328,296.68 = 58,968.62/x - Step 3: Cross multiply
218,880.87x = 328,296.68 × 58,968.62 - Step 4: Simplify right side
218,880.87x = 19,359,202,170.18 - Step 5: Solve for x
x = 19,359,202,170.18/218,880.87 - Step 6: Final answer
x = 88,446.30
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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.