Finding the Fourth Proportional to 347,947.31, 480,168.20 and 202,839.26
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Solution
The fourth proportional to 347,947.31, 480,168.20 and 202,839.26 is: 279,918.70
Step by Step Solution
- Step 1: Write the proportion equation
347,947.31 : 480,168.20 = 202,839.26 : x - Step 2: Convert to fraction form
347,947.31/480,168.20 = 202,839.26/x - Step 3: Cross multiply
347,947.31x = 480,168.20 × 202,839.26 - Step 4: Simplify right side
347,947.31x = 97,396,960,469.79 - Step 5: Solve for x
x = 97,396,960,469.79/347,947.31 - Step 6: Final answer
x = 279,918.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.