Finding the Fourth Proportional to 769,195.08, 1,153,793.50 and 200,575.68
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Solution
The fourth proportional to 769,195.08, 1,153,793.50 and 200,575.68 is: 300,863.75
Step by Step Solution
- Step 1: Write the proportion equation
769,195.08 : 1,153,793.50 = 200,575.68 : x - Step 2: Convert to fraction form
769,195.08/1,153,793.50 = 200,575.68/x - Step 3: Cross multiply
769,195.08x = 1,153,793.50 × 200,575.68 - Step 4: Simplify right side
769,195.08x = 231,422,915,842.08 - Step 5: Solve for x
x = 231,422,915,842.08/769,195.08 - Step 6: Final answer
x = 300,863.75
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1.5x scale
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.