Finding the Fourth Proportional to 193,899.40, 267,493.70 and 113,290.67
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Solution
The fourth proportional to 193,899.40, 267,493.70 and 113,290.67 is: 156,290.02
Step by Step Solution
- Step 1: Write the proportion equation
193,899.40 : 267,493.70 = 113,290.67 : x - Step 2: Convert to fraction form
193,899.40/267,493.70 = 113,290.67/x - Step 3: Cross multiply
193,899.40x = 267,493.70 × 113,290.67 - Step 4: Simplify right side
193,899.40x = 30,304,541,445.74 - Step 5: Solve for x
x = 30,304,541,445.74/193,899.40 - Step 6: Final answer
x = 156,290.02
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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.