Finding the Fourth Proportional to 395,524.12, 545,672.68 and 292,405.92
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Solution
The fourth proportional to 395,524.12, 545,672.68 and 292,405.92 is: 403,408.83
Step by Step Solution
- Step 1: Write the proportion equation
395,524.12 : 545,672.68 = 292,405.92 : x - Step 2: Convert to fraction form
395,524.12/545,672.68 = 292,405.92/x - Step 3: Cross multiply
395,524.12x = 545,672.68 × 292,405.92 - Step 4: Simplify right side
395,524.12x = 159,557,922,014.27 - Step 5: Solve for x
x = 159,557,922,014.27/395,524.12 - Step 6: Final answer
x = 403,408.83
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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.