Finding the Fourth Proportional to 324,197.88, 486,335.58 and 99,528.84
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Solution
The fourth proportional to 324,197.88, 486,335.58 and 99,528.84 is: 149,305.16
Step by Step Solution
- Step 1: Write the proportion equation
324,197.88 : 486,335.58 = 99,528.84 : x - Step 2: Convert to fraction form
324,197.88/486,335.58 = 99,528.84/x - Step 3: Cross multiply
324,197.88x = 486,335.58 × 99,528.84 - Step 4: Simplify right side
324,197.88x = 48,404,416,128.13 - Step 5: Solve for x
x = 48,404,416,128.13/324,197.88 - Step 6: Final answer
x = 149,305.16
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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.