Finding the Fourth Proportional to 534,190.70, 801,286.05 and 160,213.70
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Solution
The fourth proportional to 534,190.70, 801,286.05 and 160,213.70 is: 240,320.55
Step by Step Solution
- Step 1: Write the proportion equation
534,190.70 : 801,286.05 = 160,213.70 : x - Step 2: Convert to fraction form
534,190.70/801,286.05 = 160,213.70/x - Step 3: Cross multiply
534,190.70x = 801,286.05 × 160,213.70 - Step 4: Simplify right side
534,190.70x = 128,377,002,828.89 - Step 5: Solve for x
x = 128,377,002,828.89/534,190.70 - Step 6: Final answer
x = 240,320.55
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Double scale
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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.