Finding the Fourth Proportional to 231,549.36, 347,435.76 and 201,620.40
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Solution
The fourth proportional to 231,549.36, 347,435.76 and 201,620.40 is: 302,527.88
Step by Step Solution
- Step 1: Write the proportion equation
231,549.36 : 347,435.76 = 201,620.40 : x - Step 2: Convert to fraction form
231,549.36/347,435.76 = 201,620.40/x - Step 3: Cross multiply
231,549.36x = 347,435.76 × 201,620.40 - Step 4: Simplify right side
231,549.36x = 70,050,136,905.50 - Step 5: Solve for x
x = 70,050,136,905.50/231,549.36 - Step 6: Final answer
x = 302,527.88
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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.