Finding the Fourth Proportional to 198,539.24, 297,806.30 and 48,780.23
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Solution
The fourth proportional to 198,539.24, 297,806.30 and 48,780.23 is: 73,169.72
Step by Step Solution
- Step 1: Write the proportion equation
198,539.24 : 297,806.30 = 48,780.23 : x - Step 2: Convert to fraction form
198,539.24/297,806.30 = 48,780.23/x - Step 3: Cross multiply
198,539.24x = 297,806.30 × 48,780.23 - Step 4: Simplify right side
198,539.24x = 14,527,060,310.06 - Step 5: Solve for x
x = 14,527,060,310.06/198,539.24 - Step 6: Final answer
x = 73,169.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.