Finding the Fourth Proportional to 297,446.49, 410,324.05 and 189,903.46
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Solution
The fourth proportional to 297,446.49, 410,324.05 and 189,903.46 is: 261,969.66
Step by Step Solution
- Step 1: Write the proportion equation
297,446.49 : 410,324.05 = 189,903.46 : x - Step 2: Convert to fraction form
297,446.49/410,324.05 = 189,903.46/x - Step 3: Cross multiply
297,446.49x = 410,324.05 × 189,903.46 - Step 4: Simplify right side
297,446.49x = 77,921,956,816.21 - Step 5: Solve for x
x = 77,921,956,816.21/297,446.49 - Step 6: Final answer
x = 261,969.66
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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.