Finding the Fourth Proportional to 484,318.92, 726,471.09 and 217,891.29
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Solution
The fourth proportional to 484,318.92, 726,471.09 and 217,891.29 is: 326,833.66
Step by Step Solution
- Step 1: Write the proportion equation
484,318.92 : 726,471.09 = 217,891.29 : x - Step 2: Convert to fraction form
484,318.92/726,471.09 = 217,891.29/x - Step 3: Cross multiply
484,318.92x = 726,471.09 × 217,891.29 - Step 4: Simplify right side
484,318.92x = 158,291,722,947.81 - Step 5: Solve for x
x = 158,291,722,947.81/484,318.92 - Step 6: Final answer
x = 326,833.66
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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.