Finding the Fourth Proportional to 347,126.94, 479,137.02 and 201,966.87
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Solution
The fourth proportional to 347,126.94, 479,137.02 and 201,966.87 is: 278,773.53
Step by Step Solution
- Step 1: Write the proportion equation
347,126.94 : 479,137.02 = 201,966.87 : x - Step 2: Convert to fraction form
347,126.94/479,137.02 = 201,966.87/x - Step 3: Cross multiply
347,126.94x = 479,137.02 × 201,966.87 - Step 4: Simplify right side
347,126.94x = 96,769,800,825.01 - Step 5: Solve for x
x = 96,769,800,825.01/347,126.94 - Step 6: Final answer
x = 278,773.53
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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.