Finding the Fourth Proportional to 192,961.84, 289,439.52 and 52,719.92
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Solution
The fourth proportional to 192,961.84, 289,439.52 and 52,719.92 is: 79,078.99
Step by Step Solution
- Step 1: Write the proportion equation
192,961.84 : 289,439.52 = 52,719.92 : x - Step 2: Convert to fraction form
192,961.84/289,439.52 = 52,719.92/x - Step 3: Cross multiply
192,961.84x = 289,439.52 × 52,719.92 - Step 4: Simplify right side
192,961.84x = 15,259,228,339.24 - Step 5: Solve for x
x = 15,259,228,339.24/192,961.84 - Step 6: Final answer
x = 79,078.99
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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.