Finding the Fourth Proportional to 557,614.70, 836,422.05 and 202,640.30
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Solution
The fourth proportional to 557,614.70, 836,422.05 and 202,640.30 is: 303,960.45
Step by Step Solution
- Step 1: Write the proportion equation
557,614.70 : 836,422.05 = 202,640.30 : x - Step 2: Convert to fraction form
557,614.70/836,422.05 = 202,640.30/x - Step 3: Cross multiply
557,614.70x = 836,422.05 × 202,640.30 - Step 4: Simplify right side
557,614.70x = 169,492,815,138.62 - Step 5: Solve for x
x = 169,492,815,138.62/557,614.70 - Step 6: Final answer
x = 303,960.45
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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.