Finding the Fourth Proportional to 157,028.06, 235,452.86 and 107,168.56
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Solution
The fourth proportional to 157,028.06, 235,452.86 and 107,168.56 is: 160,691.94
Step by Step Solution
- Step 1: Write the proportion equation
157,028.06 : 235,452.86 = 107,168.56 : x - Step 2: Convert to fraction form
157,028.06/235,452.86 = 107,168.56/x - Step 3: Cross multiply
157,028.06x = 235,452.86 × 107,168.56 - Step 4: Simplify right side
157,028.06x = 25,233,144,222.00 - Step 5: Solve for x
x = 25,233,144,222.00/157,028.06 - Step 6: Final answer
x = 160,691.94
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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.