Finding the Fourth Proportional to 192,961.92, 289,347.84 and 91,731.84
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Solution
The fourth proportional to 192,961.92, 289,347.84 and 91,731.84 is: 137,552.58
Step by Step Solution
- Step 1: Write the proportion equation
192,961.92 : 289,347.84 = 91,731.84 : x - Step 2: Convert to fraction form
192,961.92/289,347.84 = 91,731.84/x - Step 3: Cross multiply
192,961.92x = 289,347.84 × 91,731.84 - Step 4: Simplify right side
192,961.92x = 26,542,409,763.23 - Step 5: Solve for x
x = 26,542,409,763.23/192,961.92 - Step 6: Final answer
x = 137,552.58
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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.