Finding the Fourth Proportional to 316,893.75, 437,313.39 and 182,757.75
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Solution
The fourth proportional to 316,893.75, 437,313.39 and 182,757.75 is: 252,205.70
Step by Step Solution
- Step 1: Write the proportion equation
316,893.75 : 437,313.39 = 182,757.75 : x - Step 2: Convert to fraction form
316,893.75/437,313.39 = 182,757.75/x - Step 3: Cross multiply
316,893.75x = 437,313.39 × 182,757.75 - Step 4: Simplify right side
316,893.75x = 79,922,411,201.27 - Step 5: Solve for x
x = 79,922,411,201.27/316,893.75 - Step 6: Final answer
x = 252,205.70
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1.5x scale
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.