Finding the Fourth Proportional to 418,347.66, 577,324.24 and 227,361.06
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Solution
The fourth proportional to 418,347.66, 577,324.24 and 227,361.06 is: 313,760.69
Step by Step Solution
- Step 1: Write the proportion equation
418,347.66 : 577,324.24 = 227,361.06 : x - Step 2: Convert to fraction form
418,347.66/577,324.24 = 227,361.06/x - Step 3: Cross multiply
418,347.66x = 577,324.24 × 227,361.06 - Step 4: Simplify right side
418,347.66x = 131,261,051,170.09 - Step 5: Solve for x
x = 131,261,051,170.09/418,347.66 - Step 6: Final answer
x = 313,760.69
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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.