Finding the Fourth Proportional to 319,757.99, 479,524.38 and 106,467.98
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Solution
The fourth proportional to 319,757.99, 479,524.38 and 106,467.98 is: 159,664.47
Step by Step Solution
- Step 1: Write the proportion equation
319,757.99 : 479,524.38 = 106,467.98 : x - Step 2: Convert to fraction form
319,757.99/479,524.38 = 106,467.98/x - Step 3: Cross multiply
319,757.99x = 479,524.38 × 106,467.98 - Step 4: Simplify right side
319,757.99x = 51,053,989,701.73 - Step 5: Solve for x
x = 51,053,989,701.73/319,757.99 - Step 6: Final answer
x = 159,664.47
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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.