Finding the Fourth Proportional to 485,249.87, 669,635.84 and 264,489.08
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Solution
The fourth proportional to 485,249.87, 669,635.84 and 264,489.08 is: 364,990.03
Step by Step Solution
- Step 1: Write the proportion equation
485,249.87 : 669,635.84 = 264,489.08 : x - Step 2: Convert to fraction form
485,249.87/669,635.84 = 264,489.08/x - Step 3: Cross multiply
485,249.87x = 669,635.84 × 264,489.08 - Step 4: Simplify right side
485,249.87x = 177,111,364,569.67 - Step 5: Solve for x
x = 177,111,364,569.67/485,249.87 - Step 6: Final answer
x = 364,990.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.