Finding the Fourth Proportional to 511,393.11, 705,727.17 and 281,958.63
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Solution
The fourth proportional to 511,393.11, 705,727.17 and 281,958.63 is: 389,105.49
Step by Step Solution
- Step 1: Write the proportion equation
511,393.11 : 705,727.17 = 281,958.63 : x - Step 2: Convert to fraction form
511,393.11/705,727.17 = 281,958.63/x - Step 3: Cross multiply
511,393.11x = 705,727.17 × 281,958.63 - Step 4: Simplify right side
511,393.11x = 198,985,866,006.98 - Step 5: Solve for x
x = 198,985,866,006.98/511,393.11 - Step 6: Final answer
x = 389,105.49
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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.