Finding the Fourth Proportional to 127,096.81, 190,646.49 and 38,351.05
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Solution
The fourth proportional to 127,096.81, 190,646.49 and 38,351.05 is: 57,526.96
Step by Step Solution
- Step 1: Write the proportion equation
127,096.81 : 190,646.49 = 38,351.05 : x - Step 2: Convert to fraction form
127,096.81/190,646.49 = 38,351.05/x - Step 3: Cross multiply
127,096.81x = 190,646.49 × 38,351.05 - Step 4: Simplify right side
127,096.81x = 7,311,493,070.31 - Step 5: Solve for x
x = 7,311,493,070.31/127,096.81 - Step 6: Final answer
x = 57,526.96
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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.