Finding the Fourth Proportional to 325,163.16, 448,697.68 and 187,305.62
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Solution
The fourth proportional to 325,163.16, 448,697.68 and 187,305.62 is: 258,465.92
Step by Step Solution
- Step 1: Write the proportion equation
325,163.16 : 448,697.68 = 187,305.62 : x - Step 2: Convert to fraction form
325,163.16/448,697.68 = 187,305.62/x - Step 3: Cross multiply
325,163.16x = 448,697.68 × 187,305.62 - Step 4: Simplify right side
325,163.16x = 84,043,594,433.21 - Step 5: Solve for x
x = 84,043,594,433.21/325,163.16 - Step 6: Final answer
x = 258,465.92
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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.