Finding the Fourth Proportional to 209,963.28, 289,571.07 and 177,417.14
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Solution
The fourth proportional to 209,963.28, 289,571.07 and 177,417.14 is: 244,685.03
Step by Step Solution
- Step 1: Write the proportion equation
209,963.28 : 289,571.07 = 177,417.14 : x - Step 2: Convert to fraction form
209,963.28/289,571.07 = 177,417.14/x - Step 3: Cross multiply
209,963.28x = 289,571.07 × 177,417.14 - Step 4: Simplify right side
209,963.28x = 51,374,871,066.14 - Step 5: Solve for x
x = 51,374,871,066.14/209,963.28 - Step 6: Final answer
x = 244,685.03
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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.