Finding the Fourth Proportional to 202,060.68, 278,837.77 and 111,416.62
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Solution
The fourth proportional to 202,060.68, 278,837.77 and 111,416.62 is: 153,751.65
Step by Step Solution
- Step 1: Write the proportion equation
202,060.68 : 278,837.77 = 111,416.62 : x - Step 2: Convert to fraction form
202,060.68/278,837.77 = 111,416.62/x - Step 3: Cross multiply
202,060.68x = 278,837.77 × 111,416.62 - Step 4: Simplify right side
202,060.68x = 31,067,162,088.70 - Step 5: Solve for x
x = 31,067,162,088.70/202,060.68 - Step 6: Final answer
x = 153,751.65
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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.