Finding the Fourth Proportional to 379,652.29, 524,052.09 and 218,571.53
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Solution
The fourth proportional to 379,652.29, 524,052.09 and 218,571.53 is: 301,704.67
Step by Step Solution
- Step 1: Write the proportion equation
379,652.29 : 524,052.09 = 218,571.53 : x - Step 2: Convert to fraction form
379,652.29/524,052.09 = 218,571.53/x - Step 3: Cross multiply
379,652.29x = 524,052.09 × 218,571.53 - Step 4: Simplify right side
379,652.29x = 114,542,867,111.00 - Step 5: Solve for x
x = 114,542,867,111.00/379,652.29 - Step 6: Final answer
x = 301,704.67
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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.