Finding the Fourth Proportional to 250,165.96, 345,231.72 and 135,446.99
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Solution
The fourth proportional to 250,165.96, 345,231.72 and 135,446.99 is: 186,918.30
Step by Step Solution
- Step 1: Write the proportion equation
250,165.96 : 345,231.72 = 135,446.99 : x - Step 2: Convert to fraction form
250,165.96/345,231.72 = 135,446.99/x - Step 3: Cross multiply
250,165.96x = 345,231.72 × 135,446.99 - Step 4: Simplify right side
250,165.96x = 46,760,595,600.36 - Step 5: Solve for x
x = 46,760,595,600.36/250,165.96 - Step 6: Final answer
x = 186,918.30
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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.