Finding the Fourth Proportional to 628,717.94, 942,998.94 and 179,478.17
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Solution
The fourth proportional to 628,717.94, 942,998.94 and 179,478.17 is: 269,194.99
Step by Step Solution
- Step 1: Write the proportion equation
628,717.94 : 942,998.94 = 179,478.17 : x - Step 2: Convert to fraction form
628,717.94/942,998.94 = 179,478.17/x - Step 3: Cross multiply
628,717.94x = 942,998.94 × 179,478.17 - Step 4: Simplify right side
628,717.94x = 169,247,719,348.15 - Step 5: Solve for x
x = 169,247,719,348.15/628,717.94 - Step 6: Final answer
x = 269,194.99
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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.