Finding the Fourth Proportional to 209,077.73, 288,551.99 and 124,195.13
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Solution
The fourth proportional to 209,077.73, 288,551.99 and 124,195.13 is: 171,403.96
Step by Step Solution
- Step 1: Write the proportion equation
209,077.73 : 288,551.99 = 124,195.13 : x - Step 2: Convert to fraction form
209,077.73/288,551.99 = 124,195.13/x - Step 3: Cross multiply
209,077.73x = 288,551.99 × 124,195.13 - Step 4: Simplify right side
209,077.73x = 35,836,751,909.81 - Step 5: Solve for x
x = 35,836,751,909.81/209,077.73 - Step 6: Final answer
x = 171,403.96
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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.