Finding the Fourth Proportional to 265,186.21, 365,032.70 and 231,135.53
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Solution
The fourth proportional to 265,186.21, 365,032.70 and 231,135.53 is: 318,161.44
Step by Step Solution
- Step 1: Write the proportion equation
265,186.21 : 365,032.70 = 231,135.53 : x - Step 2: Convert to fraction form
265,186.21/365,032.70 = 231,135.53/x - Step 3: Cross multiply
265,186.21x = 365,032.70 × 231,135.53 - Step 4: Simplify right side
265,186.21x = 84,372,026,581.83 - Step 5: Solve for x
x = 84,372,026,581.83/265,186.21 - Step 6: Final answer
x = 318,161.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.