Finding the Fourth Proportional to 194,770.28, 291,979.08 and 76,409.84
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Solution
The fourth proportional to 194,770.28, 291,979.08 and 76,409.84 is: 114,545.58
Step by Step Solution
- Step 1: Write the proportion equation
194,770.28 : 291,979.08 = 76,409.84 : x - Step 2: Convert to fraction form
194,770.28/291,979.08 = 76,409.84/x - Step 3: Cross multiply
194,770.28x = 291,979.08 × 76,409.84 - Step 4: Simplify right side
194,770.28x = 22,310,073,326.25 - Step 5: Solve for x
x = 22,310,073,326.25/194,770.28 - Step 6: Final answer
x = 114,545.58
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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.