Finding the Fourth Proportional to 193,176.48, 266,737.68 and 129,568.80
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Solution
The fourth proportional to 193,176.48, 266,737.68 and 129,568.80 is: 178,908.33
Step by Step Solution
- Step 1: Write the proportion equation
193,176.48 : 266,737.68 = 129,568.80 : x - Step 2: Convert to fraction form
193,176.48/266,737.68 = 129,568.80/x - Step 3: Cross multiply
193,176.48x = 266,737.68 × 129,568.80 - Step 4: Simplify right side
193,176.48x = 34,560,881,112.38 - Step 5: Solve for x
x = 34,560,881,112.38/193,176.48 - Step 6: Final answer
x = 178,908.33
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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.