Finding the Fourth Proportional to 307,163.84, 423,907.37 and 186,310.22
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Solution
The fourth proportional to 307,163.84, 423,907.37 and 186,310.22 is: 257,121.00
Step by Step Solution
- Step 1: Write the proportion equation
307,163.84 : 423,907.37 = 186,310.22 : x - Step 2: Convert to fraction form
307,163.84/423,907.37 = 186,310.22/x - Step 3: Cross multiply
307,163.84x = 423,907.37 × 186,310.22 - Step 4: Simplify right side
307,163.84x = 78,978,272,313.23 - Step 5: Solve for x
x = 78,978,272,313.23/307,163.84 - Step 6: Final answer
x = 257,121.00
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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.