Finding the Fourth Proportional to 250,515.24, 345,709.76 and 135,793.44
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Solution
The fourth proportional to 250,515.24, 345,709.76 and 135,793.44 is: 187,394.26
Step by Step Solution
- Step 1: Write the proportion equation
250,515.24 : 345,709.76 = 135,793.44 : x - Step 2: Convert to fraction form
250,515.24/345,709.76 = 135,793.44/x - Step 3: Cross multiply
250,515.24x = 345,709.76 × 135,793.44 - Step 4: Simplify right side
250,515.24x = 46,945,117,551.97 - Step 5: Solve for x
x = 46,945,117,551.97/250,515.24 - Step 6: Final answer
x = 187,394.26
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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.