Finding the Fourth Proportional to 194,657.77, 268,634.15 and 112,979.90
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Solution
The fourth proportional to 194,657.77, 268,634.15 and 112,979.90 is: 155,915.99
Step by Step Solution
- Step 1: Write the proportion equation
194,657.77 : 268,634.15 = 112,979.90 : x - Step 2: Convert to fraction form
194,657.77/268,634.15 = 112,979.90/x - Step 3: Cross multiply
194,657.77x = 268,634.15 × 112,979.90 - Step 4: Simplify right side
194,657.77x = 30,350,259,350.24 - Step 5: Solve for x
x = 30,350,259,350.24/194,657.77 - Step 6: Final answer
x = 155,915.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.