Finding the Fourth Proportional to 312,562.26, 431,335.26 and 169,325.82
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Solution
The fourth proportional to 312,562.26, 431,335.26 and 169,325.82 is: 233,669.27
Step by Step Solution
- Step 1: Write the proportion equation
312,562.26 : 431,335.26 = 169,325.82 : x - Step 2: Convert to fraction form
312,562.26/431,335.26 = 169,325.82/x - Step 3: Cross multiply
312,562.26x = 431,335.26 × 169,325.82 - Step 4: Simplify right side
312,562.26x = 73,036,196,594.41 - Step 5: Solve for x
x = 73,036,196,594.41/312,562.26 - Step 6: Final answer
x = 233,669.27
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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.