Finding the Fourth Proportional to 568,966.92, 853,344.78 and 209,059.08
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Solution
The fourth proportional to 568,966.92, 853,344.78 and 209,059.08 is: 313,549.82
Step by Step Solution
- Step 1: Write the proportion equation
568,966.92 : 853,344.78 = 209,059.08 : x - Step 2: Convert to fraction form
568,966.92/853,344.78 = 209,059.08/x - Step 3: Cross multiply
568,966.92x = 853,344.78 × 209,059.08 - Step 4: Simplify right side
568,966.92x = 178,399,474,629.60 - Step 5: Solve for x
x = 178,399,474,629.60/568,966.92 - Step 6: Final answer
x = 313,549.82
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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.