Finding the Fourth Proportional to 289,292.29, 434,007.71 and 120,718.84
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Solution
The fourth proportional to 289,292.29, 434,007.71 and 120,718.84 is: 181,107.17
Step by Step Solution
- Step 1: Write the proportion equation
289,292.29 : 434,007.71 = 120,718.84 : x - Step 2: Convert to fraction form
289,292.29/434,007.71 = 120,718.84/x - Step 3: Cross multiply
289,292.29x = 434,007.71 × 120,718.84 - Step 4: Simplify right side
289,292.29x = 52,392,906,519.03 - Step 5: Solve for x
x = 52,392,906,519.03/289,292.29 - Step 6: Final answer
x = 181,107.17
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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.