Finding the Fourth Proportional to 419,615.24, 579,288.42 and 327,537.08
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Solution
The fourth proportional to 419,615.24, 579,288.42 and 327,537.08 is: 452,172.42
Step by Step Solution
- Step 1: Write the proportion equation
419,615.24 : 579,288.42 = 327,537.08 : x - Step 2: Convert to fraction form
419,615.24/579,288.42 = 327,537.08/x - Step 3: Cross multiply
419,615.24x = 579,288.42 × 327,537.08 - Step 4: Simplify right side
419,615.24x = 189,738,437,564.61 - Step 5: Solve for x
x = 189,738,437,564.61/419,615.24 - Step 6: Final answer
x = 452,172.42
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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.