Finding the Fourth Proportional to 557,613.70, 836,420.55 and 202,639.30
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Solution
The fourth proportional to 557,613.70, 836,420.55 and 202,639.30 is: 303,958.95
Step by Step Solution
- Step 1: Write the proportion equation
557,613.70 : 836,420.55 = 202,639.30 : x - Step 2: Convert to fraction form
557,613.70/836,420.55 = 202,639.30/x - Step 3: Cross multiply
557,613.70x = 836,420.55 × 202,639.30 - Step 4: Simplify right side
557,613.70x = 169,491,674,757.62 - Step 5: Solve for x
x = 169,491,674,757.62/557,613.70 - Step 6: Final answer
x = 303,958.95
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Similar ratio
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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.