Finding the Fourth Proportional to 204,452.40, 306,693.72 and 71,316.48
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Solution
The fourth proportional to 204,452.40, 306,693.72 and 71,316.48 is: 106,979.99
Step by Step Solution
- Step 1: Write the proportion equation
204,452.40 : 306,693.72 = 71,316.48 : x - Step 2: Convert to fraction form
204,452.40/306,693.72 = 71,316.48/x - Step 3: Cross multiply
204,452.40x = 306,693.72 × 71,316.48 - Step 4: Simplify right side
204,452.40x = 21,872,316,548.51 - Step 5: Solve for x
x = 21,872,316,548.51/204,452.40 - Step 6: Final answer
x = 106,979.99
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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.