Finding the Fourth Proportional to 324,435.14, 486,653.84 and 99,794.06
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Solution
The fourth proportional to 324,435.14, 486,653.84 and 99,794.06 is: 149,691.44
Step by Step Solution
- Step 1: Write the proportion equation
324,435.14 : 486,653.84 = 99,794.06 : x - Step 2: Convert to fraction form
324,435.14/486,653.84 = 99,794.06/x - Step 3: Cross multiply
324,435.14x = 486,653.84 × 99,794.06 - Step 4: Simplify right side
324,435.14x = 48,565,162,508.19 - Step 5: Solve for x
x = 48,565,162,508.19/324,435.14 - Step 6: Final answer
x = 149,691.44
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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.