Finding the Fourth Proportional to 255,736.09, 383,714.79 and 137,269.09
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Solution
The fourth proportional to 255,736.09, 383,714.79 and 137,269.09 is: 205,963.03
Step by Step Solution
- Step 1: Write the proportion equation
255,736.09 : 383,714.79 = 137,269.09 : x - Step 2: Convert to fraction form
255,736.09/383,714.79 = 137,269.09/x - Step 3: Cross multiply
255,736.09x = 383,714.79 × 137,269.09 - Step 4: Simplify right side
255,736.09x = 52,672,180,042.84 - Step 5: Solve for x
x = 52,672,180,042.84/255,736.09 - Step 6: Final answer
x = 205,963.03
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1.5x scale
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.