Finding the Fourth Proportional to 203,397.24, 280,719.26 and 129,841.45
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Solution
The fourth proportional to 203,397.24, 280,719.26 and 129,841.45 is: 179,201.03
Step by Step Solution
- Step 1: Write the proportion equation
203,397.24 : 280,719.26 = 129,841.45 : x - Step 2: Convert to fraction form
203,397.24/280,719.26 = 129,841.45/x - Step 3: Cross multiply
203,397.24x = 280,719.26 × 129,841.45 - Step 4: Simplify right side
203,397.24x = 36,448,994,357.73 - Step 5: Solve for x
x = 36,448,994,357.73/203,397.24 - Step 6: Final answer
x = 179,201.03
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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.