Finding the Fourth Proportional to 157,174.46, 235,757.37 and 68,427.80
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Solution
The fourth proportional to 157,174.46, 235,757.37 and 68,427.80 is: 102,639.82
Step by Step Solution
- Step 1: Write the proportion equation
157,174.46 : 235,757.37 = 68,427.80 : x - Step 2: Convert to fraction form
157,174.46/235,757.37 = 68,427.80/x - Step 3: Cross multiply
157,174.46x = 235,757.37 × 68,427.80 - Step 4: Simplify right side
157,174.46x = 16,132,358,162.89 - Step 5: Solve for x
x = 16,132,358,162.89/157,174.46 - Step 6: Final answer
x = 102,639.82
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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.