Finding the Fourth Proportional to 247,593.36, 341,680.20 and 145,623.09
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Solution
The fourth proportional to 247,593.36, 341,680.20 and 145,623.09 is: 200,960.67
Step by Step Solution
- Step 1: Write the proportion equation
247,593.36 : 341,680.20 = 145,623.09 : x - Step 2: Convert to fraction form
247,593.36/341,680.20 = 145,623.09/x - Step 3: Cross multiply
247,593.36x = 341,680.20 × 145,623.09 - Step 4: Simplify right side
247,593.36x = 49,756,526,515.82 - Step 5: Solve for x
x = 49,756,526,515.82/247,593.36 - Step 6: Final answer
x = 200,960.67
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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.