Finding the Fourth Proportional to 127,095.81, 190,644.99 and 38,350.05
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Solution
The fourth proportional to 127,095.81, 190,644.99 and 38,350.05 is: 57,525.46
Step by Step Solution
- Step 1: Write the proportion equation
127,095.81 : 190,644.99 = 38,350.05 : x - Step 2: Convert to fraction form
127,095.81/190,644.99 = 38,350.05/x - Step 3: Cross multiply
127,095.81x = 190,644.99 × 38,350.05 - Step 4: Simplify right side
127,095.81x = 7,311,244,898.75 - Step 5: Solve for x
x = 7,311,244,898.75/127,095.81 - Step 6: Final answer
x = 57,525.46
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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.