Finding the Fourth Proportional to 190,717.26, 263,190.36 and 104,676.95
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Solution
The fourth proportional to 190,717.26, 263,190.36 and 104,676.95 is: 144,454.48
Step by Step Solution
- Step 1: Write the proportion equation
190,717.26 : 263,190.36 = 104,676.95 : x - Step 2: Convert to fraction form
190,717.26/263,190.36 = 104,676.95/x - Step 3: Cross multiply
190,717.26x = 263,190.36 × 104,676.95 - Step 4: Simplify right side
190,717.26x = 27,549,962,838.25 - Step 5: Solve for x
x = 27,549,962,838.25/190,717.26 - Step 6: Final answer
x = 144,454.48
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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.