Finding the Fourth Proportional to 691,841.52, 1,037,793.37 and 212,034.18
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Solution
The fourth proportional to 691,841.52, 1,037,793.37 and 212,034.18 is: 318,060.79
Step by Step Solution
- Step 1: Write the proportion equation
691,841.52 : 1,037,793.37 = 212,034.18 : x - Step 2: Convert to fraction form
691,841.52/1,037,793.37 = 212,034.18/x - Step 3: Cross multiply
691,841.52x = 1,037,793.37 × 212,034.18 - Step 4: Simplify right side
691,841.52x = 220,047,660,498.33 - Step 5: Solve for x
x = 220,047,660,498.33/691,841.52 - Step 6: Final answer
x = 318,060.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.