Finding the Fourth Proportional to 192,662.13, 265,874.49 and 107,779.26
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Solution
The fourth proportional to 192,662.13, 265,874.49 and 107,779.26 is: 148,735.80
Step by Step Solution
- Step 1: Write the proportion equation
192,662.13 : 265,874.49 = 107,779.26 : x - Step 2: Convert to fraction form
192,662.13/265,874.49 = 107,779.26/x - Step 3: Cross multiply
192,662.13x = 265,874.49 × 107,779.26 - Step 4: Simplify right side
192,662.13x = 28,655,755,785.08 - Step 5: Solve for x
x = 28,655,755,785.08/192,662.13 - Step 6: Final answer
x = 148,735.80
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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.