Finding the Fourth Proportional to 250,302.92, 345,442.79 and 142,889.09
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Solution
The fourth proportional to 250,302.92, 345,442.79 and 142,889.09 is: 197,201.08
Step by Step Solution
- Step 1: Write the proportion equation
250,302.92 : 345,442.79 = 142,889.09 : x - Step 2: Convert to fraction form
250,302.92/345,442.79 = 142,889.09/x - Step 3: Cross multiply
250,302.92x = 345,442.79 × 142,889.09 - Step 4: Simplify right side
250,302.92x = 49,360,004,540.17 - Step 5: Solve for x
x = 49,360,004,540.17/250,302.92 - Step 6: Final answer
x = 197,201.08
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1.5x scale
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.