Finding the Fourth Proportional to 225,649.53, 338,474.97 and 57,170.07
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Solution
The fourth proportional to 225,649.53, 338,474.97 and 57,170.07 is: 85,755.28
Step by Step Solution
- Step 1: Write the proportion equation
225,649.53 : 338,474.97 = 57,170.07 : x - Step 2: Convert to fraction form
225,649.53/338,474.97 = 57,170.07/x - Step 3: Cross multiply
225,649.53x = 338,474.97 × 57,170.07 - Step 4: Simplify right side
225,649.53x = 19,350,637,728.15 - Step 5: Solve for x
x = 19,350,637,728.15/225,649.53 - Step 6: Final answer
x = 85,755.28
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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.