Finding the Fourth Proportional to 179,632.10, 247,908.93 and 103,161.26
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Solution
The fourth proportional to 179,632.10, 247,908.93 and 103,161.26 is: 142,372.09
Step by Step Solution
- Step 1: Write the proportion equation
179,632.10 : 247,908.93 = 103,161.26 : x - Step 2: Convert to fraction form
179,632.10/247,908.93 = 103,161.26/x - Step 3: Cross multiply
179,632.10x = 247,908.93 × 103,161.26 - Step 4: Simplify right side
179,632.10x = 25,574,597,584.05 - Step 5: Solve for x
x = 25,574,597,584.05/179,632.10 - Step 6: Final answer
x = 142,372.09
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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.