Finding the Fourth Proportional to 192,688.81, 265,910.79 and 107,805.94
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Solution
The fourth proportional to 192,688.81, 265,910.79 and 107,805.94 is: 148,772.33
Step by Step Solution
- Step 1: Write the proportion equation
192,688.81 : 265,910.79 = 107,805.94 : x - Step 2: Convert to fraction form
192,688.81/265,910.79 = 107,805.94/x - Step 3: Cross multiply
192,688.81x = 265,910.79 × 107,805.94 - Step 4: Simplify right side
192,688.81x = 28,666,762,672.09 - Step 5: Solve for x
x = 28,666,762,672.09/192,688.81 - Step 6: Final answer
x = 148,772.33
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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.