Finding the Fourth Proportional to 134,805.20, 202,207.80 and 92,814.80
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Solution
The fourth proportional to 134,805.20, 202,207.80 and 92,814.80 is: 139,222.20
Step by Step Solution
- Step 1: Write the proportion equation
134,805.20 : 202,207.80 = 92,814.80 : x - Step 2: Convert to fraction form
134,805.20/202,207.80 = 92,814.80/x - Step 3: Cross multiply
134,805.20x = 202,207.80 × 92,814.80 - Step 4: Simplify right side
134,805.20x = 18,767,876,515.44 - Step 5: Solve for x
x = 18,767,876,515.44/134,805.20 - Step 6: Final answer
x = 139,222.20
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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.