Finding the Fourth Proportional to 192,855.68, 289,227.67 and 57,914.31
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Solution
The fourth proportional to 192,855.68, 289,227.67 and 57,914.31 is: 86,854.69
Step by Step Solution
- Step 1: Write the proportion equation
192,855.68 : 289,227.67 = 57,914.31 : x - Step 2: Convert to fraction form
192,855.68/289,227.67 = 57,914.31/x - Step 3: Cross multiply
192,855.68x = 289,227.67 × 57,914.31 - Step 4: Simplify right side
192,855.68x = 16,750,420,796.17 - Step 5: Solve for x
x = 16,750,420,796.17/192,855.68 - Step 6: Final answer
x = 86,854.69
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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.