Finding the Fourth Proportional to 494,163.66, 741,299.98 and 157,125.47
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Solution
The fourth proportional to 494,163.66, 741,299.98 and 157,125.47 is: 235,705.53
Step by Step Solution
- Step 1: Write the proportion equation
494,163.66 : 741,299.98 = 157,125.47 : x - Step 2: Convert to fraction form
494,163.66/741,299.98 = 157,125.47/x - Step 3: Cross multiply
494,163.66x = 741,299.98 × 157,125.47 - Step 4: Simplify right side
494,163.66x = 116,477,107,691.68 - Step 5: Solve for x
x = 116,477,107,691.68/494,163.66 - Step 6: Final answer
x = 235,705.53
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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.