Finding the Fourth Proportional to 157,619.79, 236,338.79 and 107,760.31
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Solution
The fourth proportional to 157,619.79, 236,338.79 and 107,760.31 is: 161,578.32
Step by Step Solution
- Step 1: Write the proportion equation
157,619.79 : 236,338.79 = 107,760.31 : x - Step 2: Convert to fraction form
157,619.79/236,338.79 = 107,760.31/x - Step 3: Cross multiply
157,619.79x = 236,338.79 × 107,760.31 - Step 4: Simplify right side
157,619.79x = 25,467,940,145.78 - Step 5: Solve for x
x = 25,467,940,145.78/157,619.79 - Step 6: Final answer
x = 161,578.32
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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.