Finding the Fourth Proportional to 204,072.60, 306,108.90 and 133,213.80
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Solution
The fourth proportional to 204,072.60, 306,108.90 and 133,213.80 is: 199,820.70
Step by Step Solution
- Step 1: Write the proportion equation
204,072.60 : 306,108.90 = 133,213.80 : x - Step 2: Convert to fraction form
204,072.60/306,108.90 = 133,213.80/x - Step 3: Cross multiply
204,072.60x = 306,108.90 × 133,213.80 - Step 4: Simplify right side
204,072.60x = 40,777,929,782.82 - Step 5: Solve for x
x = 40,777,929,782.82/204,072.60 - Step 6: Final answer
x = 199,820.70
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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.