Finding the Fourth Proportional to 384,311.99, 530,350.40 and 214,546.12
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Solution
The fourth proportional to 384,311.99, 530,350.40 and 214,546.12 is: 296,073.56
Step by Step Solution
- Step 1: Write the proportion equation
384,311.99 : 530,350.40 = 214,546.12 : x - Step 2: Convert to fraction form
384,311.99/530,350.40 = 214,546.12/x - Step 3: Cross multiply
384,311.99x = 530,350.40 × 214,546.12 - Step 4: Simplify right side
384,311.99x = 113,784,619,770.94 - Step 5: Solve for x
x = 113,784,619,770.94/384,311.99 - Step 6: Final answer
x = 296,073.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.