Finding the Fourth Proportional to 484,336.42, 726,497.32 and 217,908.79
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Solution
The fourth proportional to 484,336.42, 726,497.32 and 217,908.79 is: 326,859.90
Step by Step Solution
- Step 1: Write the proportion equation
484,336.42 : 726,497.32 = 217,908.79 : x - Step 2: Convert to fraction form
484,336.42/726,497.32 = 217,908.79/x - Step 3: Cross multiply
484,336.42x = 726,497.32 × 217,908.79 - Step 4: Simplify right side
484,336.42x = 158,310,151,939.44 - Step 5: Solve for x
x = 158,310,151,939.44/484,336.42 - Step 6: Final answer
x = 326,859.90
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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.