Finding the Fourth Proportional to 290,053.35, 434,635.00 and 121,481.44
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Solution
The fourth proportional to 290,053.35, 434,635.00 and 121,481.44 is: 182,035.77
Step by Step Solution
- Step 1: Write the proportion equation
290,053.35 : 434,635.00 = 121,481.44 : x - Step 2: Convert to fraction form
290,053.35/434,635.00 = 121,481.44/x - Step 3: Cross multiply
290,053.35x = 434,635.00 × 121,481.44 - Step 4: Simplify right side
290,053.35x = 52,800,084,284.11 - Step 5: Solve for x
x = 52,800,084,284.11/290,053.35 - Step 6: Final answer
x = 182,035.77
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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.