Finding the Fourth Proportional to 202,915.20, 304,372.80 and 124,183.20
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Solution
The fourth proportional to 202,915.20, 304,372.80 and 124,183.20 is: 186,274.80
Step by Step Solution
- Step 1: Write the proportion equation
202,915.20 : 304,372.80 = 124,183.20 : x - Step 2: Convert to fraction form
202,915.20/304,372.80 = 124,183.20/x - Step 3: Cross multiply
202,915.20x = 304,372.80 × 124,183.20 - Step 4: Simplify right side
202,915.20x = 37,797,988,296.96 - Step 5: Solve for x
x = 37,797,988,296.96/202,915.20 - Step 6: Final answer
x = 186,274.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.