Finding the Fourth Proportional to 431,202.80, 590,749.96 and 415,041.49
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Solution
The fourth proportional to 431,202.80, 590,749.96 and 415,041.49 is: 568,608.88
Step by Step Solution
- Step 1: Write the proportion equation
431,202.80 : 590,749.96 = 415,041.49 : x - Step 2: Convert to fraction form
431,202.80/590,749.96 = 415,041.49/x - Step 3: Cross multiply
431,202.80x = 590,749.96 × 415,041.49 - Step 4: Simplify right side
431,202.80x = 245,185,740,662.09 - Step 5: Solve for x
x = 245,185,740,662.09/431,202.80 - Step 6: Final answer
x = 568,608.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.