Finding the Fourth Proportional to 195,751.81, 270,124.70 and 115,163.75
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Solution
The fourth proportional to 195,751.81, 270,124.70 and 115,163.75 is: 158,918.45
Step by Step Solution
- Step 1: Write the proportion equation
195,751.81 : 270,124.70 = 115,163.75 : x - Step 2: Convert to fraction form
195,751.81/270,124.70 = 115,163.75/x - Step 3: Cross multiply
195,751.81x = 270,124.70 × 115,163.75 - Step 4: Simplify right side
195,751.81x = 31,108,573,419.63 - Step 5: Solve for x
x = 31,108,573,419.63/195,751.81 - Step 6: Final answer
x = 158,918.45
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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.