Finding the Fourth Proportional to 100,851.68, 151,277.51 and 26,979.68
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Solution
The fourth proportional to 100,851.68, 151,277.51 and 26,979.68 is: 40,469.51
Step by Step Solution
- Step 1: Write the proportion equation
100,851.68 : 151,277.51 = 26,979.68 : x - Step 2: Convert to fraction form
100,851.68/151,277.51 = 26,979.68/x - Step 3: Cross multiply
100,851.68x = 151,277.51 × 26,979.68 - Step 4: Simplify right side
100,851.68x = 4,081,418,122.06 - Step 5: Solve for x
x = 4,081,418,122.06/100,851.68 - Step 6: Final answer
x = 40,469.51
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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.