Finding the Fourth Proportional to 189,959.70, 284,939.55 and 181,211.70
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Solution
The fourth proportional to 189,959.70, 284,939.55 and 181,211.70 is: 271,817.55
Step by Step Solution
- Step 1: Write the proportion equation
189,959.70 : 284,939.55 = 181,211.70 : x - Step 2: Convert to fraction form
189,959.70/284,939.55 = 181,211.70/x - Step 3: Cross multiply
189,959.70x = 284,939.55 × 181,211.70 - Step 4: Simplify right side
189,959.70x = 51,634,380,252.74 - Step 5: Solve for x
x = 51,634,380,252.74/189,959.70 - Step 6: Final answer
x = 271,817.55
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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.