Finding the Fourth Proportional to 128,603.04, 192,891.84 and 44,354.88
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Solution
The fourth proportional to 128,603.04, 192,891.84 and 44,354.88 is: 66,527.93
Step by Step Solution
- Step 1: Write the proportion equation
128,603.04 : 192,891.84 = 44,354.88 : x - Step 2: Convert to fraction form
128,603.04/192,891.84 = 44,354.88/x - Step 3: Cross multiply
128,603.04x = 192,891.84 × 44,354.88 - Step 4: Simplify right side
128,603.04x = 8,555,694,416.18 - Step 5: Solve for x
x = 8,555,694,416.18/128,603.04 - Step 6: Final answer
x = 66,527.93
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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.