Finding the Fourth Proportional to 626,181.21, 938,687.48 and 247,105.09
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Solution
The fourth proportional to 626,181.21, 938,687.48 and 247,105.09 is: 370,427.04
Step by Step Solution
- Step 1: Write the proportion equation
626,181.21 : 938,687.48 = 247,105.09 : x - Step 2: Convert to fraction form
626,181.21/938,687.48 = 247,105.09/x - Step 3: Cross multiply
626,181.21x = 938,687.48 × 247,105.09 - Step 4: Simplify right side
626,181.21x = 231,954,450,645.03 - Step 5: Solve for x
x = 231,954,450,645.03/626,181.21 - Step 6: Final answer
x = 370,427.04
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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.