Finding the Fourth Proportional to 343,850.40, 515,775.60 and 203,536.80
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Solution
The fourth proportional to 343,850.40, 515,775.60 and 203,536.80 is: 305,305.20
Step by Step Solution
- Step 1: Write the proportion equation
343,850.40 : 515,775.60 = 203,536.80 : x - Step 2: Convert to fraction form
343,850.40/515,775.60 = 203,536.80/x - Step 3: Cross multiply
343,850.40x = 515,775.60 × 203,536.80 - Step 4: Simplify right side
343,850.40x = 104,979,315,142.08 - Step 5: Solve for x
x = 104,979,315,142.08/343,850.40 - Step 6: Final answer
x = 305,305.20
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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.