Finding the Fourth Proportional to 193,126.68, 266,513.97 and 108,243.74
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Solution
The fourth proportional to 193,126.68, 266,513.97 and 108,243.74 is: 149,375.89
Step by Step Solution
- Step 1: Write the proportion equation
193,126.68 : 266,513.97 = 108,243.74 : x - Step 2: Convert to fraction form
193,126.68/266,513.97 = 108,243.74/x - Step 3: Cross multiply
193,126.68x = 266,513.97 × 108,243.74 - Step 4: Simplify right side
193,126.68x = 28,848,469,642.81 - Step 5: Solve for x
x = 28,848,469,642.81/193,126.68 - Step 6: Final answer
x = 149,375.89
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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.