Finding the Fourth Proportional to 324,441.68, 486,624.12 and 99,801.68
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Solution
The fourth proportional to 324,441.68, 486,624.12 and 99,801.68 is: 149,690.71
Step by Step Solution
- Step 1: Write the proportion equation
324,441.68 : 486,624.12 = 99,801.68 : x - Step 2: Convert to fraction form
324,441.68/486,624.12 = 99,801.68/x - Step 3: Cross multiply
324,441.68x = 486,624.12 × 99,801.68 - Step 4: Simplify right side
324,441.68x = 48,565,904,704.52 - Step 5: Solve for x
x = 48,565,904,704.52/324,441.68 - Step 6: Final answer
x = 149,690.71
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1.5x scale
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.