Finding the Fourth Proportional to 157,859.70, 217,850.66 and 94,234.40
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Solution
The fourth proportional to 157,859.70, 217,850.66 and 94,234.40 is: 130,046.02
Step by Step Solution
- Step 1: Write the proportion equation
157,859.70 : 217,850.66 = 94,234.40 : x - Step 2: Convert to fraction form
157,859.70/217,850.66 = 94,234.40/x - Step 3: Cross multiply
157,859.70x = 217,850.66 × 94,234.40 - Step 4: Simplify right side
157,859.70x = 20,529,026,234.70 - Step 5: Solve for x
x = 20,529,026,234.70/157,859.70 - Step 6: Final answer
x = 130,046.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.