Finding the Fourth Proportional to 298,006.12, 447,446.58 and 186,162.94
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Solution
The fourth proportional to 298,006.12, 447,446.58 and 186,162.94 is: 279,517.65
Step by Step Solution
- Step 1: Write the proportion equation
298,006.12 : 447,446.58 = 186,162.94 : x - Step 2: Convert to fraction form
298,006.12/447,446.58 = 186,162.94/x - Step 3: Cross multiply
298,006.12x = 447,446.58 × 186,162.94 - Step 4: Simplify right side
298,006.12x = 83,297,970,825.75 - Step 5: Solve for x
x = 83,297,970,825.75/298,006.12 - Step 6: Final answer
x = 279,517.65
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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.