Finding the Fourth Proportional to 195,731.03, 270,096.04 and 115,142.99
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Solution
The fourth proportional to 195,731.03, 270,096.04 and 115,142.99 is: 158,889.80
Step by Step Solution
- Step 1: Write the proportion equation
195,731.03 : 270,096.04 = 115,142.99 : x - Step 2: Convert to fraction form
195,731.03/270,096.04 = 115,142.99/x - Step 3: Cross multiply
195,731.03x = 270,096.04 × 115,142.99 - Step 4: Simplify right side
195,731.03x = 31,099,664,591.14 - Step 5: Solve for x
x = 31,099,664,591.14/195,731.03 - Step 6: Final answer
x = 158,889.80
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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.