Finding the Fourth Proportional to 192,571.20, 265,748.76 and 107,688.26
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Solution
The fourth proportional to 192,571.20, 265,748.76 and 107,688.26 is: 148,610.07
Step by Step Solution
- Step 1: Write the proportion equation
192,571.20 : 265,748.76 = 107,688.26 : x - Step 2: Convert to fraction form
192,571.20/265,748.76 = 107,688.26/x - Step 3: Cross multiply
192,571.20x = 265,748.76 × 107,688.26 - Step 4: Simplify right side
192,571.20x = 28,618,020,232.81 - Step 5: Solve for x
x = 28,618,020,232.81/192,571.20 - Step 6: Final answer
x = 148,610.07
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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.