Finding the Fourth Proportional to 254,445.38, 351,120.92 and 141,260.84
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Solution
The fourth proportional to 254,445.38, 351,120.92 and 141,260.84 is: 194,932.35
Step by Step Solution
- Step 1: Write the proportion equation
254,445.38 : 351,120.92 = 141,260.84 : x - Step 2: Convert to fraction form
254,445.38/351,120.92 = 141,260.84/x - Step 3: Cross multiply
254,445.38x = 351,120.92 × 141,260.84 - Step 4: Simplify right side
254,445.38x = 49,599,636,100.77 - Step 5: Solve for x
x = 49,599,636,100.77/254,445.38 - Step 6: Final answer
x = 194,932.35
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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.