Finding the Fourth Proportional to 543,173.60, 814,759.68 and 306,408.80
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Solution
The fourth proportional to 543,173.60, 814,759.68 and 306,408.80 is: 459,612.79
Step by Step Solution
- Step 1: Write the proportion equation
543,173.60 : 814,759.68 = 306,408.80 : x - Step 2: Convert to fraction form
543,173.60/814,759.68 = 306,408.80/x - Step 3: Cross multiply
543,173.60x = 814,759.68 × 306,408.80 - Step 4: Simplify right side
543,173.60x = 249,649,535,837.18 - Step 5: Solve for x
x = 249,649,535,837.18/543,173.60 - Step 6: Final answer
x = 459,612.79
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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.