Finding the Fourth Proportional to 194,178.06, 290,846.50 and 94,128.99
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Solution
The fourth proportional to 194,178.06, 290,846.50 and 94,128.99 is: 140,989.59
Step by Step Solution
- Step 1: Write the proportion equation
194,178.06 : 290,846.50 = 94,128.99 : x - Step 2: Convert to fraction form
194,178.06/290,846.50 = 94,128.99/x - Step 3: Cross multiply
194,178.06x = 290,846.50 × 94,128.99 - Step 4: Simplify right side
194,178.06x = 27,377,085,964.04 - Step 5: Solve for x
x = 27,377,085,964.04/194,178.06 - Step 6: Final answer
x = 140,989.59
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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.