Finding the Fourth Proportional to 511,208.02, 705,497.90 and 281,764.99
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Solution
The fourth proportional to 511,208.02, 705,497.90 and 281,764.99 is: 388,852.68
Step by Step Solution
- Step 1: Write the proportion equation
511,208.02 : 705,497.90 = 281,764.99 : x - Step 2: Convert to fraction form
511,208.02/705,497.90 = 281,764.99/x - Step 3: Cross multiply
511,208.02x = 705,497.90 × 281,764.99 - Step 4: Simplify right side
511,208.02x = 198,784,607,329.70 - Step 5: Solve for x
x = 198,784,607,329.70/511,208.02 - Step 6: Final answer
x = 388,852.68
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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.