Finding the Fourth Proportional to 204,053.80, 306,080.70 and 141,845.80
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Solution
The fourth proportional to 204,053.80, 306,080.70 and 141,845.80 is: 212,768.70
Step by Step Solution
- Step 1: Write the proportion equation
204,053.80 : 306,080.70 = 141,845.80 : x - Step 2: Convert to fraction form
204,053.80/306,080.70 = 141,845.80/x - Step 3: Cross multiply
204,053.80x = 306,080.70 × 141,845.80 - Step 4: Simplify right side
204,053.80x = 43,416,261,756.06 - Step 5: Solve for x
x = 43,416,261,756.06/204,053.80 - Step 6: Final answer
x = 212,768.70
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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.