Finding the Fourth Proportional to 192,855.18, 289,226.92 and 57,913.81
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Solution
The fourth proportional to 192,855.18, 289,226.92 and 57,913.81 is: 86,853.94
Step by Step Solution
- Step 1: Write the proportion equation
192,855.18 : 289,226.92 = 57,913.81 : x - Step 2: Convert to fraction form
192,855.18/289,226.92 = 57,913.81/x - Step 3: Cross multiply
192,855.18x = 289,226.92 × 57,913.81 - Step 4: Simplify right side
192,855.18x = 16,750,232,891.77 - Step 5: Solve for x
x = 16,750,232,891.77/192,855.18 - Step 6: Final answer
x = 86,853.94
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1.5x scale
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.