Finding the Fourth Proportional to 312,198.24, 430,833.60 and 168,959.32
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Solution
The fourth proportional to 312,198.24, 430,833.60 and 168,959.32 is: 233,163.88
Step by Step Solution
- Step 1: Write the proportion equation
312,198.24 : 430,833.60 = 168,959.32 : x - Step 2: Convert to fraction form
312,198.24/430,833.60 = 168,959.32/x - Step 3: Cross multiply
312,198.24x = 430,833.60 × 168,959.32 - Step 4: Simplify right side
312,198.24x = 72,793,352,089.15 - Step 5: Solve for x
x = 72,793,352,089.15/312,198.24 - Step 6: Final answer
x = 233,163.88
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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.