Finding the Fourth Proportional to 193,725.76, 289,549.97 and 174,707.07
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Solution
The fourth proportional to 193,725.76, 289,549.97 and 174,707.07 is: 261,123.90
Step by Step Solution
- Step 1: Write the proportion equation
193,725.76 : 289,549.97 = 174,707.07 : x - Step 2: Convert to fraction form
193,725.76/289,549.97 = 174,707.07/x - Step 3: Cross multiply
193,725.76x = 289,549.97 × 174,707.07 - Step 4: Simplify right side
193,725.76x = 50,586,426,877.29 - Step 5: Solve for x
x = 50,586,426,877.29/193,725.76 - Step 6: Final answer
x = 261,123.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.