Finding the Fourth Proportional to 665,751.73, 998,634.88 and 192,441.19
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Solution
The fourth proportional to 665,751.73, 998,634.88 and 192,441.19 is: 288,663.89
Step by Step Solution
- Step 1: Write the proportion equation
665,751.73 : 998,634.88 = 192,441.19 : x - Step 2: Convert to fraction form
665,751.73/998,634.88 = 192,441.19/x - Step 3: Cross multiply
665,751.73x = 998,634.88 × 192,441.19 - Step 4: Simplify right side
665,751.73x = 192,178,482,426.67 - Step 5: Solve for x
x = 192,178,482,426.67/665,751.73 - Step 6: Final answer
x = 288,663.89
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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.