Finding the Fourth Proportional to 257,068.36, 354,757.97 and 148,112.49
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Solution
The fourth proportional to 257,068.36, 354,757.97 and 148,112.49 is: 204,397.33
Step by Step Solution
- Step 1: Write the proportion equation
257,068.36 : 354,757.97 = 148,112.49 : x - Step 2: Convert to fraction form
257,068.36/354,757.97 = 148,112.49/x - Step 3: Cross multiply
257,068.36x = 354,757.97 × 148,112.49 - Step 4: Simplify right side
257,068.36x = 52,544,086,284.05 - Step 5: Solve for x
x = 52,544,086,284.05/257,068.36 - Step 6: Final answer
x = 204,397.33
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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.