Finding the Fourth Proportional to 529,771.20, 793,965.60 and 245,428.80
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Solution
The fourth proportional to 529,771.20, 793,965.60 and 245,428.80 is: 367,822.99
Step by Step Solution
- Step 1: Write the proportion equation
529,771.20 : 793,965.60 = 245,428.80 : x - Step 2: Convert to fraction form
529,771.20/793,965.60 = 245,428.80/x - Step 3: Cross multiply
529,771.20x = 793,965.60 × 245,428.80 - Step 4: Simplify right side
529,771.20x = 194,862,024,449.28 - Step 5: Solve for x
x = 194,862,024,449.28/529,771.20 - Step 6: Final answer
x = 367,822.99
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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.