Finding the Fourth Proportional to 232,163.65, 320,453.87 and 151,603.68
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Solution
The fourth proportional to 232,163.65, 320,453.87 and 151,603.68 is: 209,257.51
Step by Step Solution
- Step 1: Write the proportion equation
232,163.65 : 320,453.87 = 151,603.68 : x - Step 2: Convert to fraction form
232,163.65/320,453.87 = 151,603.68/x - Step 3: Cross multiply
232,163.65x = 320,453.87 × 151,603.68 - Step 4: Simplify right side
232,163.65x = 48,581,987,258.70 - Step 5: Solve for x
x = 48,581,987,258.70/232,163.65 - Step 6: Final answer
x = 209,257.51
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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.