Finding the Fourth Proportional to 290,220.54, 434,886.97 and 121,648.97
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Solution
The fourth proportional to 290,220.54, 434,886.97 and 121,648.97 is: 182,287.42
Step by Step Solution
- Step 1: Write the proportion equation
290,220.54 : 434,886.97 = 121,648.97 : x - Step 2: Convert to fraction form
290,220.54/434,886.97 = 121,648.97/x - Step 3: Cross multiply
290,220.54x = 434,886.97 × 121,648.97 - Step 4: Simplify right side
290,220.54x = 52,903,552,360.14 - Step 5: Solve for x
x = 52,903,552,360.14/290,220.54 - Step 6: Final answer
x = 182,287.42
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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.