Finding the Fourth Proportional to 203,626.98, 281,020.68 and 113,000.13
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Solution
The fourth proportional to 203,626.98, 281,020.68 and 113,000.13 is: 155,948.75
Step by Step Solution
- Step 1: Write the proportion equation
203,626.98 : 281,020.68 = 113,000.13 : x - Step 2: Convert to fraction form
203,626.98/281,020.68 = 113,000.13/x - Step 3: Cross multiply
203,626.98x = 281,020.68 × 113,000.13 - Step 4: Simplify right side
203,626.98x = 31,755,373,372.69 - Step 5: Solve for x
x = 31,755,373,372.69/203,626.98 - Step 6: Final answer
x = 155,948.75
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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.