Finding the Fourth Proportional to 403,161.08, 605,115.29 and 203,621.60
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Solution
The fourth proportional to 403,161.08, 605,115.29 and 203,621.60 is: 305,621.12
Step by Step Solution
- Step 1: Write the proportion equation
403,161.08 : 605,115.29 = 203,621.60 : x - Step 2: Convert to fraction form
403,161.08/605,115.29 = 203,621.60/x - Step 3: Cross multiply
403,161.08x = 605,115.29 × 203,621.60 - Step 4: Simplify right side
403,161.08x = 123,214,540,254.16 - Step 5: Solve for x
x = 123,214,540,254.16/403,161.08 - Step 6: Final answer
x = 305,621.12
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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.