Finding the Fourth Proportional to 454,205.79, 681,414.21 and 154,688.97
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Solution
The fourth proportional to 454,205.79, 681,414.21 and 154,688.97 is: 232,069.39
Step by Step Solution
- Step 1: Write the proportion equation
454,205.79 : 681,414.21 = 154,688.97 : x - Step 2: Convert to fraction form
454,205.79/681,414.21 = 154,688.97/x - Step 3: Cross multiply
454,205.79x = 681,414.21 × 154,688.97 - Step 4: Simplify right side
454,205.79x = 105,407,262,288.26 - Step 5: Solve for x
x = 105,407,262,288.26/454,205.79 - Step 6: Final answer
x = 232,069.39
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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.