Finding the Fourth Proportional to 324,364.30, 486,592.95 and 99,743.60
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Solution
The fourth proportional to 324,364.30, 486,592.95 and 99,743.60 is: 149,629.70
Step by Step Solution
- Step 1: Write the proportion equation
324,364.30 : 486,592.95 = 99,743.60 : x - Step 2: Convert to fraction form
324,364.30/486,592.95 = 99,743.60/x - Step 3: Cross multiply
324,364.30x = 486,592.95 × 99,743.60 - Step 4: Simplify right side
324,364.30x = 48,534,532,567.62 - Step 5: Solve for x
x = 48,534,532,567.62/324,364.30 - Step 6: Final answer
x = 149,629.70
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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.