Finding the Fourth Proportional to 182,431.30, 273,501.15 and 77,163.70
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Solution
The fourth proportional to 182,431.30, 273,501.15 and 77,163.70 is: 115,683.88
Step by Step Solution
- Step 1: Write the proportion equation
182,431.30 : 273,501.15 = 77,163.70 : x - Step 2: Convert to fraction form
182,431.30/273,501.15 = 77,163.70/x - Step 3: Cross multiply
182,431.30x = 273,501.15 × 77,163.70 - Step 4: Simplify right side
182,431.30x = 21,104,360,688.26 - Step 5: Solve for x
x = 21,104,360,688.26/182,431.30 - Step 6: Final answer
x = 115,683.88
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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.