Finding the Fourth Proportional to 347,903.40, 521,690.60 and 134,771.14
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Solution
The fourth proportional to 347,903.40, 521,690.60 and 134,771.14 is: 202,092.99
Step by Step Solution
- Step 1: Write the proportion equation
347,903.40 : 521,690.60 = 134,771.14 : x - Step 2: Convert to fraction form
347,903.40/521,690.60 = 134,771.14/x - Step 3: Cross multiply
347,903.40x = 521,690.60 × 134,771.14 - Step 4: Simplify right side
347,903.40x = 70,308,836,889.28 - Step 5: Solve for x
x = 70,308,836,889.28/347,903.40 - Step 6: Final answer
x = 202,092.99
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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.