Finding the Fourth Proportional to 203,821.26, 305,334.09 and 133,487.34
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Solution
The fourth proportional to 203,821.26, 305,334.09 and 133,487.34 is: 199,970.48
Step by Step Solution
- Step 1: Write the proportion equation
203,821.26 : 305,334.09 = 133,487.34 : x - Step 2: Convert to fraction form
203,821.26/305,334.09 = 133,487.34/x - Step 3: Cross multiply
203,821.26x = 305,334.09 × 133,487.34 - Step 4: Simplify right side
203,821.26x = 40,758,235,485.42 - Step 5: Solve for x
x = 40,758,235,485.42/203,821.26 - Step 6: Final answer
x = 199,970.48
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1.5x scale
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.