Finding the Fourth Proportional to 387,163.22, 534,267.86 and 215,093.22
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Solution
The fourth proportional to 387,163.22, 534,267.86 and 215,093.22 is: 296,818.99
Step by Step Solution
- Step 1: Write the proportion equation
387,163.22 : 534,267.86 = 215,093.22 : x - Step 2: Convert to fraction form
387,163.22/534,267.86 = 215,093.22/x - Step 3: Cross multiply
387,163.22x = 534,267.86 × 215,093.22 - Step 4: Simplify right side
387,163.22x = 114,917,393,274.44 - Step 5: Solve for x
x = 114,917,393,274.44/387,163.22 - Step 6: Final answer
x = 296,818.99
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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.